Merge branch 'master' into core-updates

14 files changed, 1646 insertions, 68 deletions

diff --git a/gnu/packages/patches/cpio-gets-undeclared.patch b/gnu/packages/patches/cpio-gets-undeclared.patch
deleted file mode 100644
index bc34de6455..0000000000
--- a/gnu/packages/patches/cpio-gets-undeclared.patch
+++ /dev/null
@@ -1,45 +0,0 @@
-This patch is needed to allow builds with newer versions of
-the GNU libc (2.16+).
-
-The upstream fix was:
-
-  commit 66712c23388e93e5c518ebc8515140fa0c807348
-  Author: Eric Blake <eblake@redhat.com>
-  Date:   Thu Mar 29 13:30:41 2012 -0600
-
-      stdio: don't assume gets any more
-
-      Gnulib intentionally does not have a gets module, and now that C11
-      and glibc have dropped it, we should be more proactive about warning
-      any user on a platform that still has a declaration of this dangerous
-      interface.
-
-      * m4/stdio_h.m4 (gl_STDIO_H, gl_STDIO_H_DEFAULTS): Drop gets
-      support.
-      * modules/stdio (Makefile.am): Likewise.
-      * lib/stdio-read.c (gets): Likewise.
-      * tests/test-stdio-c++.cc: Likewise.
-      * m4/warn-on-use.m4 (gl_WARN_ON_USE_PREPARE): Fix comment.
-      * lib/stdio.in.h (gets): Make warning occur in more places.
-      * doc/posix-functions/gets.texi (gets): Update documentation.
-      Reported by Christer Solskogen.
-
-      Signed-off-by: Eric Blake <eblake@redhat.com>
-
-This patch just gets rid of the offending part.
-
---- cpio-2.11/gnu/stdio.in.h-orig	2012-11-25 22:17:06.000000000 +0400
-+++ cpio-2.11/gnu/stdio.in.h		2012-11-25 22:18:36.000000000 +0400
-@@ -135,12 +135,6 @@
-                  "use gnulib module fflush for portable POSIX compliance");
- #endif
- 
--/* It is very rare that the developer ever has full control of stdin,
--   so any use of gets warrants an unconditional warning.  Assume it is
--   always declared, since it is required by C89.  */
--#undef gets
--_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
--
- #if @GNULIB_FOPEN@
- # if @REPLACE_FOPEN@
- #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
diff --git a/gnu/packages/patches/gsl-test-i686.patch b/gnu/packages/patches/gsl-test-i686.patch
new file mode 100644
index 0000000000..8828c08614
--- /dev/null
+++ b/gnu/packages/patches/gsl-test-i686.patch
@@ -0,0 +1,17 @@
+Work around a test failure due to a rounding issue on 32-bit
+platforms, as reported at:
+
+  https://lists.gnu.org/archive/html/bug-gsl/2016-10/msg00000.html
+
+--- gsl-2.2.1/linalg/test.c	2016-10-05 13:27:42.464059730 +0200
++++ gsl-2.2.1/linalg/test.c	2016-10-05 13:27:46.988095882 +0200
+@@ -4843,9 +4843,6 @@ main(void)
+   gsl_test(test_cholesky_decomp_unit(),  "Cholesky Decomposition [unit triangular]");
+   gsl_test(test_cholesky_solve(),        "Cholesky Solve");
+ 
+-  gsl_test(test_cholesky_decomp(r),      "Cholesky Decomposition");
+-  gsl_test(test_cholesky_invert(r),      "Cholesky Inverse");
+-  gsl_test(test_pcholesky_decomp(r),     "Pivoted Cholesky Decomposition");
+   gsl_test(test_pcholesky_solve(r),      "Pivoted Cholesky Solve");
+   gsl_test(test_pcholesky_invert(r),     "Pivoted Cholesky Inverse");
+   gsl_test(test_mcholesky_decomp(r),     "Modified Cholesky Decomposition");
diff --git a/gnu/packages/patches/libx11-CVE-2016-7942.patch b/gnu/packages/patches/libx11-CVE-2016-7942.patch
new file mode 100644
index 0000000000..75770235ef
--- /dev/null
+++ b/gnu/packages/patches/libx11-CVE-2016-7942.patch
@@ -0,0 +1,76 @@
+Fix CVE-2016-7942:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7942
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17
+
+From 8ea762f94f4c942d898fdeb590a1630c83235c17 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 21:25:25 +0200
+Subject: [PATCH] Validation of server responses in XGetImage()
+
+Check if enough bytes were received for specified image type and
+geometry. Otherwise GetPixel and other functions could trigger an
+out of boundary read later on.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/GetImage.c | 29 ++++++++++++++++++++---------
+ 1 file changed, 20 insertions(+), 9 deletions(-)
+
+diff --git a/src/GetImage.c b/src/GetImage.c
+index c461abc..ff32d58 100644
+--- a/src/GetImage.c
++++ b/src/GetImage.c
+@@ -59,6 +59,7 @@ XImage *XGetImage (
+ 	char *data;
+ 	unsigned long nbytes;
+ 	XImage *image;
++	int planes;
+ 	LockDisplay(dpy);
+ 	GetReq (GetImage, req);
+ 	/*
+@@ -91,18 +92,28 @@ XImage *XGetImage (
+ 	    return (XImage *) NULL;
+ 	}
+         _XReadPad (dpy, data, nbytes);
+-        if (format == XYPixmap)
+-	   image = XCreateImage(dpy, _XVIDtoVisual(dpy, rep.visual),
+-		  Ones (plane_mask &
+-			(((unsigned long)0xFFFFFFFF) >> (32 - rep.depth))),
+-		  format, 0, data, width, height, dpy->bitmap_pad, 0);
+-	else /* format == ZPixmap */
+-           image = XCreateImage (dpy, _XVIDtoVisual(dpy, rep.visual),
+-		 rep.depth, ZPixmap, 0, data, width, height,
+-		  _XGetScanlinePad(dpy, (int) rep.depth), 0);
++        if (format == XYPixmap) {
++	    image = XCreateImage(dpy, _XVIDtoVisual(dpy, rep.visual),
++		Ones (plane_mask &
++		    (((unsigned long)0xFFFFFFFF) >> (32 - rep.depth))),
++		format, 0, data, width, height, dpy->bitmap_pad, 0);
++	    planes = image->depth;
++	} else { /* format == ZPixmap */
++            image = XCreateImage (dpy, _XVIDtoVisual(dpy, rep.visual),
++		rep.depth, ZPixmap, 0, data, width, height,
++		    _XGetScanlinePad(dpy, (int) rep.depth), 0);
++	    planes = 1;
++	}
+ 
+ 	if (!image)
+ 	    Xfree(data);
++	if (planes < 1 || image->height < 1 || image->bytes_per_line < 1 ||
++	    INT_MAX / image->height <= image->bytes_per_line ||
++	    INT_MAX / planes <= image->height * image->bytes_per_line ||
++	    nbytes < planes * image->height * image->bytes_per_line) {
++	    XDestroyImage(image);
++	    image = NULL;
++	}
+ 	UnlockDisplay(dpy);
+ 	SyncHandle();
+ 	return (image);
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libx11-CVE-2016-7943.patch b/gnu/packages/patches/libx11-CVE-2016-7943.patch
new file mode 100644
index 0000000000..7bcbc58dd4
--- /dev/null
+++ b/gnu/packages/patches/libx11-CVE-2016-7943.patch
@@ -0,0 +1,113 @@
+Fix CVE-2016-7943:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7943.
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8c29f1607a31dac0911e45a0dd3d74173822b3c9
+
+From 8c29f1607a31dac0911e45a0dd3d74173822b3c9 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 21:22:57 +0200
+Subject: [PATCH] The validation of server responses avoids out of boundary
+ accesses.
+
+v2: FontNames.c  return a NULL list whenever a single
+length field from the server is incohent.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/FontNames.c | 23 +++++++++++++++++------
+ src/ListExt.c   | 12 ++++++++----
+ src/ModMap.c    |  3 ++-
+ 3 files changed, 27 insertions(+), 11 deletions(-)
+
+diff --git a/src/FontNames.c b/src/FontNames.c
+index 21dcafe..e55f338 100644
+--- a/src/FontNames.c
++++ b/src/FontNames.c
+@@ -66,7 +66,7 @@ int *actualCount)	/* RETURN */
+ 
+     if (rep.nFonts) {
+ 	flist = Xmalloc (rep.nFonts * sizeof(char *));
+-	if (rep.length < (INT_MAX >> 2)) {
++	if (rep.length > 0 && rep.length < (INT_MAX >> 2)) {
+ 	    rlen = rep.length << 2;
+ 	    ch = Xmalloc(rlen + 1);
+ 	    /* +1 to leave room for last null-terminator */
+@@ -93,11 +93,22 @@ int *actualCount)	/* RETURN */
+ 	    if (ch + length < chend) {
+ 		flist[i] = ch + 1;  /* skip over length */
+ 		ch += length + 1;  /* find next length ... */
+-		length = *(unsigned char *)ch;
+-		*ch = '\0';  /* and replace with null-termination */
+-		count++;
+-	    } else
+-		flist[i] = NULL;
++		if (ch <= chend) {
++		    length = *(unsigned char *)ch;
++		    *ch = '\0';  /* and replace with null-termination */
++		    count++;
++		} else {
++                    Xfree(flist);
++                    flist = NULL;
++                    count = 0;
++                    break;
++		}
++	    } else {
++                Xfree(flist);
++                flist = NULL;
++                count = 0;
++                break;
++            }
+ 	}
+     }
+     *actualCount = count;
+diff --git a/src/ListExt.c b/src/ListExt.c
+index be6b989..0516e45 100644
+--- a/src/ListExt.c
++++ b/src/ListExt.c
+@@ -55,7 +55,7 @@ char **XListExtensions(
+ 
+ 	if (rep.nExtensions) {
+ 	    list = Xmalloc (rep.nExtensions * sizeof (char *));
+-	    if (rep.length < (INT_MAX >> 2)) {
++	    if (rep.length > 0 && rep.length < (INT_MAX >> 2)) {
+ 		rlen = rep.length << 2;
+ 		ch = Xmalloc (rlen + 1);
+                 /* +1 to leave room for last null-terminator */
+@@ -80,9 +80,13 @@ char **XListExtensions(
+ 		if (ch + length < chend) {
+ 		    list[i] = ch+1;  /* skip over length */
+ 		    ch += length + 1; /* find next length ... */
+-		    length = *ch;
+-		    *ch = '\0'; /* and replace with null-termination */
+-		    count++;
++		    if (ch <= chend) {
++			length = *ch;
++			*ch = '\0'; /* and replace with null-termination */
++			count++;
++		    } else {
++			list[i] = NULL;
++		    }
+ 		} else
+ 		    list[i] = NULL;
+ 	    }
+diff --git a/src/ModMap.c b/src/ModMap.c
+index a809aa2..49a5d08 100644
+--- a/src/ModMap.c
++++ b/src/ModMap.c
+@@ -42,7 +42,8 @@ XGetModifierMapping(register Display *dpy)
+     GetEmptyReq(GetModifierMapping, req);
+     (void) _XReply (dpy, (xReply *)&rep, 0, xFalse);
+ 
+-    if (rep.length < (INT_MAX >> 2)) {
++    if (rep.length < (INT_MAX >> 2) &&
++	(rep.length >> 1) == rep.numKeyPerModifier) {
+ 	nbytes = (unsigned long)rep.length << 2;
+ 	res = Xmalloc(sizeof (XModifierKeymap));
+ 	if (res)
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libxfixes-CVE-2016-7944.patch b/gnu/packages/patches/libxfixes-CVE-2016-7944.patch
new file mode 100644
index 0000000000..2ce463fc46
--- /dev/null
+++ b/gnu/packages/patches/libxfixes-CVE-2016-7944.patch
@@ -0,0 +1,62 @@
+Fix CVE-2016-7944:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7944
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libXfixes/commit/?id=61c1039ee23a2d1de712843bed3480654d7ef42e
+
+From 61c1039ee23a2d1de712843bed3480654d7ef42e Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 22:38:44 +0200
+Subject: [PATCH] Integer overflow on illegal server response
+
+The 32 bit field "rep.length" is not checked for validity, which allows
+an integer overflow on 32 bit systems.
+
+A malicious server could send INT_MAX as length, which gets multiplied
+by the size of XRectangle. In that case the client won't read the whole
+data from server, getting out of sync.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/Region.c | 15 ++++++++++++---
+ 1 file changed, 12 insertions(+), 3 deletions(-)
+
+diff --git a/src/Region.c b/src/Region.c
+index cb0cf6e..59bcc1a 100644
+--- a/src/Region.c
++++ b/src/Region.c
+@@ -23,6 +23,7 @@
+ #ifdef HAVE_CONFIG_H
+ #include <config.h>
+ #endif
++#include <limits.h>
+ #include "Xfixesint.h"
+ 
+ XserverRegion
+@@ -333,9 +334,17 @@ XFixesFetchRegionAndBounds (Display	    *dpy,
+     bounds->y = rep.y;
+     bounds->width = rep.width;
+     bounds->height = rep.height;
+-    nbytes = (long) rep.length << 2;
+-    nrects = rep.length >> 1;
+-    rects = Xmalloc (nrects * sizeof (XRectangle));
++
++    if (rep.length < (INT_MAX >> 2)) {
++	nbytes = (long) rep.length << 2;
++	nrects = rep.length >> 1;
++	rects = Xmalloc (nrects * sizeof (XRectangle));
++    } else {
++	nbytes = 0;
++	nrects = 0;
++	rects = NULL;
++    }
++
+     if (!rects)
+     {
+ 	_XEatDataWords(dpy, rep.length);
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libxi-CVE-2016-7945-CVE-2016-7946.patch b/gnu/packages/patches/libxi-CVE-2016-7945-CVE-2016-7946.patch
new file mode 100644
index 0000000000..ca899e34c0
--- /dev/null
+++ b/gnu/packages/patches/libxi-CVE-2016-7945-CVE-2016-7946.patch
@@ -0,0 +1,420 @@
+Fix CVE-2016-7945:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7945
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5
+
+From 19a9cd607de73947fcfb104682f203ffe4e1f4e5 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 22:31:34 +0200
+Subject: [PATCH] Properly validate server responses.
+
+By validating length fields from server responses, out of boundary
+accesses and endless loops can be mitigated.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/XGMotion.c      |  3 ++-
+ src/XGetBMap.c      |  3 ++-
+ src/XGetDCtl.c      |  6 ++++--
+ src/XGetFCtl.c      |  7 ++++++-
+ src/XGetKMap.c      | 14 +++++++++++---
+ src/XGetMMap.c      | 11 +++++++++--
+ src/XIQueryDevice.c | 36 ++++++++++++++++++++++++++++++++++--
+ src/XListDev.c      | 21 +++++++++++++++------
+ src/XOpenDev.c      | 13 ++++++++++---
+ src/XQueryDv.c      |  8 ++++++--
+ 10 files changed, 99 insertions(+), 23 deletions(-)
+
+diff --git a/src/XGMotion.c b/src/XGMotion.c
+index 7785843..9433e29 100644
+--- a/src/XGMotion.c
++++ b/src/XGMotion.c
+@@ -114,7 +114,8 @@ XGetDeviceMotionEvents(
+     }
+     /* rep.axes is a CARD8, so assume max number of axes for bounds check */
+     if (rep.nEvents <
+-	(INT_MAX / (sizeof(XDeviceTimeCoord) + (UCHAR_MAX * sizeof(int))))) {
++	(INT_MAX / (sizeof(XDeviceTimeCoord) + (UCHAR_MAX * sizeof(int)))) &&
++	rep.nEvents * (rep.axes + 1) <= rep.length) {
+ 	size_t bsize = rep.nEvents *
+ 	    (sizeof(XDeviceTimeCoord) + (rep.axes * sizeof(int)));
+ 	bufp = Xmalloc(bsize);
+diff --git a/src/XGetBMap.c b/src/XGetBMap.c
+index 002daba..13bb8c6 100644
+--- a/src/XGetBMap.c
++++ b/src/XGetBMap.c
+@@ -92,7 +92,8 @@ XGetDeviceButtonMapping(
+ 
+     status = _XReply(dpy, (xReply *) & rep, 0, xFalse);
+     if (status == 1) {
+-	if (rep.length <= (sizeof(mapping) >> 2)) {
++	if (rep.length <= (sizeof(mapping) >> 2) &&
++	    rep.nElts <= (rep.length << 2)) {
+ 	    unsigned long nbytes = rep.length << 2;
+ 	    _XRead(dpy, (char *)mapping, nbytes);
+ 
+diff --git a/src/XGetDCtl.c b/src/XGetDCtl.c
+index c5d3b53..7f6b396 100644
+--- a/src/XGetDCtl.c
++++ b/src/XGetDCtl.c
+@@ -93,7 +93,8 @@ XGetDeviceControl(
+     if (rep.length > 0) {
+ 	unsigned long nbytes;
+ 	size_t size = 0;
+-	if (rep.length < (INT_MAX >> 2)) {
++	if (rep.length < (INT_MAX >> 2) &&
++	    (rep.length << 2) >= sizeof(xDeviceState)) {
+ 	    nbytes = (unsigned long) rep.length << 2;
+ 	    d = Xmalloc(nbytes);
+ 	}
+@@ -117,7 +118,8 @@ XGetDeviceControl(
+ 	    size_t val_size;
+ 
+ 	    r = (xDeviceResolutionState *) d;
+-	    if (r->num_valuators >= (INT_MAX / (3 * sizeof(int))))
++	    if (sizeof(xDeviceResolutionState) > nbytes ||
++		r->num_valuators >= (INT_MAX / (3 * sizeof(int))))
+ 		goto out;
+ 	    val_size = 3 * sizeof(int) * r->num_valuators;
+ 	    if ((sizeof(xDeviceResolutionState) + val_size) > nbytes)
+diff --git a/src/XGetFCtl.c b/src/XGetFCtl.c
+index 7fd6d0e..82dcc64 100644
+--- a/src/XGetFCtl.c
++++ b/src/XGetFCtl.c
+@@ -73,6 +73,7 @@ XGetFeedbackControl(
+     XFeedbackState *Sav = NULL;
+     xFeedbackState *f = NULL;
+     xFeedbackState *sav = NULL;
++    char *end = NULL;
+     xGetFeedbackControlReq *req;
+     xGetFeedbackControlReply rep;
+     XExtDisplayInfo *info = XInput_find_display(dpy);
+@@ -105,10 +106,12 @@ XGetFeedbackControl(
+ 	    goto out;
+ 	}
+ 	sav = f;
++	end = (char *)f + nbytes;
+ 	_XRead(dpy, (char *)f, nbytes);
+ 
+ 	for (i = 0; i < *num_feedbacks; i++) {
+-	    if (f->length > nbytes)
++	    if ((char *)f + sizeof(*f) > end ||
++	        f->length == 0 || f->length > nbytes)
+ 		goto out;
+ 	    nbytes -= f->length;
+ 
+@@ -125,6 +128,8 @@ XGetFeedbackControl(
+ 	    case StringFeedbackClass:
+ 	    {
+ 		xStringFeedbackState *strf = (xStringFeedbackState *) f;
++		if ((char *)f + sizeof(*strf) > end)
++		    goto out;
+ 		size += sizeof(XStringFeedbackState) +
+ 		    (strf->num_syms_supported * sizeof(KeySym));
+ 	    }
+diff --git a/src/XGetKMap.c b/src/XGetKMap.c
+index 0540ce4..008a72b 100644
+--- a/src/XGetKMap.c
++++ b/src/XGetKMap.c
+@@ -54,6 +54,7 @@ SOFTWARE.
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <X11/extensions/XI.h>
+ #include <X11/extensions/XIproto.h>
+ #include <X11/Xlibint.h>
+@@ -93,9 +94,16 @@ XGetDeviceKeyMapping(register Display * dpy, XDevice * dev,
+ 	return (KeySym *) NULL;
+     }
+     if (rep.length > 0) {
+-	*syms_per_code = rep.keySymsPerKeyCode;
+-	nbytes = (long)rep.length << 2;
+-	mapping = (KeySym *) Xmalloc((unsigned)nbytes);
++	if (rep.length < INT_MAX >> 2 &&
++	    rep.length == rep.keySymsPerKeyCode * keycount) {
++	    *syms_per_code = rep.keySymsPerKeyCode;
++	    nbytes = (long)rep.length << 2;
++	    mapping = (KeySym *) Xmalloc((unsigned)nbytes);
++	} else {
++	    *syms_per_code = 0;
++	    nbytes = 0;
++	    mapping = NULL;
++	}
+ 	if (mapping)
+ 	    _XRead(dpy, (char *)mapping, nbytes);
+ 	else
+diff --git a/src/XGetMMap.c b/src/XGetMMap.c
+index 246698c..33c114f 100644
+--- a/src/XGetMMap.c
++++ b/src/XGetMMap.c
+@@ -53,6 +53,7 @@ SOFTWARE.
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <X11/extensions/XI.h>
+ #include <X11/extensions/XIproto.h>
+ #include <X11/Xlibint.h>
+@@ -85,8 +86,14 @@ XGetDeviceModifierMapping(
+ 	SyncHandle();
+ 	return (XModifierKeymap *) NULL;
+     }
+-    nbytes = (unsigned long)rep.length << 2;
+-    res = (XModifierKeymap *) Xmalloc(sizeof(XModifierKeymap));
++    if (rep.length < (INT_MAX >> 2) &&
++	rep.numKeyPerModifier == rep.length >> 1) {
++	nbytes = (unsigned long)rep.length << 2;
++	res = (XModifierKeymap *) Xmalloc(sizeof(XModifierKeymap));
++    } else {
++	nbytes = 0;
++	res = NULL;
++    }
+     if (res) {
+ 	res->modifiermap = (KeyCode *) Xmalloc(nbytes);
+ 	if (res->modifiermap)
+diff --git a/src/XIQueryDevice.c b/src/XIQueryDevice.c
+index fb8504f..a457cd6 100644
+--- a/src/XIQueryDevice.c
++++ b/src/XIQueryDevice.c
+@@ -26,6 +26,7 @@
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <stdint.h>
+ #include <X11/Xlibint.h>
+ #include <X11/extensions/XI2proto.h>
+@@ -43,6 +44,7 @@ XIQueryDevice(Display *dpy, int deviceid, int *ndevices_return)
+     xXIQueryDeviceReq   *req;
+     xXIQueryDeviceReply reply;
+     char                *ptr;
++    char                *end;
+     int                 i;
+     char                *buf;
+ 
+@@ -60,14 +62,24 @@ XIQueryDevice(Display *dpy, int deviceid, int *ndevices_return)
+     if (!_XReply(dpy, (xReply*) &reply, 0, xFalse))
+         goto error;
+ 
+-    *ndevices_return = reply.num_devices;
+-    info = Xmalloc((reply.num_devices + 1) * sizeof(XIDeviceInfo));
++    if (reply.length < INT_MAX / 4)
++    {
++	*ndevices_return = reply.num_devices;
++	info = Xmalloc((reply.num_devices + 1) * sizeof(XIDeviceInfo));
++    }
++    else
++    {
++	*ndevices_return = 0;
++	info = NULL;
++    }
++
+     if (!info)
+         goto error;
+ 
+     buf = Xmalloc(reply.length * 4);
+     _XRead(dpy, buf, reply.length * 4);
+     ptr = buf;
++    end = buf + reply.length * 4;
+ 
+     /* info is a null-terminated array */
+     info[reply.num_devices].name = NULL;
+@@ -79,6 +91,9 @@ XIQueryDevice(Display *dpy, int deviceid, int *ndevices_return)
+         XIDeviceInfo    *lib = &info[i];
+         xXIDeviceInfo   *wire = (xXIDeviceInfo*)ptr;
+ 
++        if (ptr + sizeof(xXIDeviceInfo) > end)
++            goto error_loop;
++
+         lib->deviceid    = wire->deviceid;
+         lib->use         = wire->use;
+         lib->attachment  = wire->attachment;
+@@ -87,12 +102,23 @@ XIQueryDevice(Display *dpy, int deviceid, int *ndevices_return)
+ 
+         ptr += sizeof(xXIDeviceInfo);
+ 
++        if (ptr + wire->name_len > end)
++            goto error_loop;
++
+         lib->name = Xcalloc(wire->name_len + 1, 1);
++        if (lib->name == NULL)
++            goto error_loop;
+         strncpy(lib->name, ptr, wire->name_len);
++        lib->name[wire->name_len] = '\0';
+         ptr += ((wire->name_len + 3)/4) * 4;
+ 
+         sz = size_classes((xXIAnyInfo*)ptr, nclasses);
+         lib->classes = Xmalloc(sz);
++        if (lib->classes == NULL)
++        {
++            Xfree(lib->name);
++            goto error_loop;
++        }
+         ptr += copy_classes(lib, (xXIAnyInfo*)ptr, &nclasses);
+         /* We skip over unused classes */
+         lib->num_classes = nclasses;
+@@ -103,6 +129,12 @@ XIQueryDevice(Display *dpy, int deviceid, int *ndevices_return)
+     SyncHandle();
+     return info;
+ 
++error_loop:
++    while (--i >= 0)
++    {
++        Xfree(info[i].name);
++        Xfree(info[i].classes);
++    }
+ error:
+     UnlockDisplay(dpy);
+ error_unlocked:
+diff --git a/src/XListDev.c b/src/XListDev.c
+index b85ff3c..f850cd0 100644
+--- a/src/XListDev.c
++++ b/src/XListDev.c
+@@ -74,7 +74,7 @@ static int pad_to_xid(int base_size)
+ }
+ 
+ static size_t
+-SizeClassInfo(xAnyClassPtr *any, int num_classes)
++SizeClassInfo(xAnyClassPtr *any, size_t len, int num_classes)
+ {
+     int size = 0;
+     int j;
+@@ -90,6 +90,8 @@ SizeClassInfo(xAnyClassPtr *any, int num_classes)
+                 {
+                     xValuatorInfoPtr v;
+ 
++                    if (len < sizeof(v))
++                        return 0;
+                     v = (xValuatorInfoPtr) *any;
+                     size += pad_to_xid(sizeof(XValuatorInfo) +
+                         (v->num_axes * sizeof(XAxisInfo)));
+@@ -98,6 +100,8 @@ SizeClassInfo(xAnyClassPtr *any, int num_classes)
+             default:
+                 break;
+         }
++        if ((*any)->length > len)
++            return 0;
+         *any = (xAnyClassPtr) ((char *)(*any) + (*any)->length);
+     }
+ 
+@@ -170,7 +174,7 @@ XListInputDevices(
+     register Display	*dpy,
+     int			*ndevices)
+ {
+-    size_t size;
++    size_t s, size;
+     xListInputDevicesReq *req;
+     xListInputDevicesReply rep;
+     xDeviceInfo *list, *slist = NULL;
+@@ -178,6 +182,7 @@ XListInputDevices(
+     XDeviceInfo *clist = NULL;
+     xAnyClassPtr any, sav_any;
+     XAnyClassPtr Any;
++    char *end = NULL;
+     unsigned char *nptr, *Nptr;
+     int i;
+     unsigned long rlen;
+@@ -213,16 +218,20 @@ XListInputDevices(
+ 
+ 	any = (xAnyClassPtr) ((char *)list + (*ndevices * sizeof(xDeviceInfo)));
+ 	sav_any = any;
++	end = (char *)list + rlen;
+ 	for (i = 0; i < *ndevices; i++, list++) {
+-            size += SizeClassInfo(&any, (int)list->num_classes);
++            s = SizeClassInfo(&any, end - (char *)any, (int)list->num_classes);
++            if (!s)
++                goto out;
++            size += s;
+ 	}
+ 
+-	Nptr = ((unsigned char *)list) + rlen + 1;
++	Nptr = ((unsigned char *)list) + rlen;
+ 	for (i = 0, nptr = (unsigned char *)any; i < *ndevices; i++) {
++	    if (nptr >= Nptr)
++		goto out;
+ 	    size += *nptr + 1;
+ 	    nptr += (*nptr + 1);
+-	    if (nptr > Nptr)
+-		goto out;
+ 	}
+ 
+ 	clist = (XDeviceInfoPtr) Xmalloc(size);
+diff --git a/src/XOpenDev.c b/src/XOpenDev.c
+index 029dec2..4b3c460 100644
+--- a/src/XOpenDev.c
++++ b/src/XOpenDev.c
+@@ -53,6 +53,7 @@ SOFTWARE.
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <X11/extensions/XI.h>
+ #include <X11/extensions/XIproto.h>
+ #include <X11/Xlibint.h>
+@@ -86,9 +87,15 @@ XOpenDevice(
+ 	return (XDevice *) NULL;
+     }
+ 
+-    rlen = rep.length << 2;
+-    dev = (XDevice *) Xmalloc(sizeof(XDevice) + rep.num_classes *
+-			      sizeof(XInputClassInfo));
++    if (rep.length < INT_MAX >> 2 &&
++	(rep.length << 2) >= rep.num_classes * sizeof(xInputClassInfo)) {
++	rlen = rep.length << 2;
++	dev = (XDevice *) Xmalloc(sizeof(XDevice) + rep.num_classes *
++				  sizeof(XInputClassInfo));
++    } else {
++	rlen = 0;
++	dev = NULL;
++    }
+     if (dev) {
+ 	int dlen;	/* data length */
+ 
+diff --git a/src/XQueryDv.c b/src/XQueryDv.c
+index de1c0e5..7ee2272 100644
+--- a/src/XQueryDv.c
++++ b/src/XQueryDv.c
+@@ -73,7 +73,7 @@ XQueryDeviceState(
+     xQueryDeviceStateReply rep;
+     XDeviceState *state = NULL;
+     XInputClass *any, *Any;
+-    char *data = NULL;
++    char *data = NULL, *end = NULL;
+     XExtDisplayInfo *info = XInput_find_display(dpy);
+ 
+     LockDisplay(dpy);
+@@ -92,6 +92,7 @@ XQueryDeviceState(
+ 	if (rep.length < (INT_MAX >> 2)) {
+ 	    rlen = (unsigned long) rep.length << 2;
+ 	    data = Xmalloc(rlen);
++	    end = data + rlen;
+ 	}
+ 	if (!data) {
+ 	    _XEatDataWords(dpy, rep.length);
+@@ -100,7 +101,8 @@ XQueryDeviceState(
+ 	_XRead(dpy, data, rlen);
+ 
+ 	for (i = 0, any = (XInputClass *) data; i < (int)rep.num_classes; i++) {
+-	    if (any->length > rlen)
++	    if ((char *)any + sizeof(XInputClass) > end ||
++		any->length == 0 || any->length > rlen)
+ 		goto out;
+ 	    rlen -= any->length;
+ 
+@@ -114,6 +116,8 @@ XQueryDeviceState(
+ 	    case ValuatorClass:
+ 	    {
+ 		xValuatorState *v = (xValuatorState *) any;
++		if ((char *)any + sizeof(xValuatorState) > end)
++		    goto out;
+ 		size += (sizeof(XValuatorState) +
+ 			 (v->num_valuators * sizeof(int)));
+ 	    }
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libxrandr-CVE-2016-7947-CVE-2016-7948.patch b/gnu/packages/patches/libxrandr-CVE-2016-7947-CVE-2016-7948.patch
new file mode 100644
index 0000000000..ece8b18309
--- /dev/null
+++ b/gnu/packages/patches/libxrandr-CVE-2016-7947-CVE-2016-7948.patch
@@ -0,0 +1,447 @@
+Fix CVE-2016-7947 and CVE-2016-7948.
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7947
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7948
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libXrandr/commit/?id=a0df3e1c7728205e5c7650b2e6dce684139254a6
+
+From a0df3e1c7728205e5c7650b2e6dce684139254a6 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 22:21:40 +0200
+Subject: [PATCH] Avoid out of boundary accesses on illegal responses
+
+The responses of the connected X server have to be properly checked
+to avoid out of boundary accesses that could otherwise be triggered
+by a malicious server.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/XrrConfig.c   | 32 +++++++++++++--------
+ src/XrrCrtc.c     | 83 ++++++++++++++++++++++++++++++++++++++++++-------------
+ src/XrrMonitor.c  | 18 ++++++++++++
+ src/XrrOutput.c   | 11 ++++++++
+ src/XrrProvider.c | 28 ++++++++++++++++---
+ src/XrrScreen.c   | 52 ++++++++++++++++++++++------------
+ 6 files changed, 172 insertions(+), 52 deletions(-)
+
+diff --git a/src/XrrConfig.c b/src/XrrConfig.c
+index 2f0282b..e68c45a 100644
+--- a/src/XrrConfig.c
++++ b/src/XrrConfig.c
+@@ -29,6 +29,7 @@
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <stdio.h>
+ #include <X11/Xlib.h>
+ /* we need to be able to manipulate the Display structure on events */
+@@ -272,23 +273,30 @@ static XRRScreenConfiguration *_XRRGetScreenInfo (Display *dpy,
+ 	rep.rate = 0;
+ 	rep.nrateEnts = 0;
+     }
++    if (rep.length < INT_MAX >> 2) {
++	nbytes = (long) rep.length << 2;
+ 
+-    nbytes = (long) rep.length << 2;
++	nbytesRead = (long) (rep.nSizes * SIZEOF (xScreenSizes) +
++			    ((rep.nrateEnts + 1)& ~1) * 2 /* SIZEOF(CARD16) */);
+ 
+-    nbytesRead = (long) (rep.nSizes * SIZEOF (xScreenSizes) +
+-			 ((rep.nrateEnts + 1)& ~1) * 2 /* SIZEOF (CARD16) */);
++	/*
++	 * first we must compute how much space to allocate for
++	 * randr library's use; we'll allocate the structures in a single
++	 * allocation, on cleanlyness grounds.
++	 */
+ 
+-    /*
+-     * first we must compute how much space to allocate for
+-     * randr library's use; we'll allocate the structures in a single
+-     * allocation, on cleanlyness grounds.
+-     */
++	rbytes = sizeof (XRRScreenConfiguration) +
++	  (rep.nSizes * sizeof (XRRScreenSize) +
++	   rep.nrateEnts * sizeof (int));
+ 
+-    rbytes = sizeof (XRRScreenConfiguration) +
+-      (rep.nSizes * sizeof (XRRScreenSize) +
+-       rep.nrateEnts * sizeof (int));
++	scp = (struct _XRRScreenConfiguration *) Xmalloc(rbytes);
++    } else {
++	nbytes = 0;
++	nbytesRead = 0;
++	rbytes = 0;
++	scp = NULL;
++    }
+ 
+-    scp = (struct _XRRScreenConfiguration *) Xmalloc(rbytes);
+     if (scp == NULL) {
+ 	_XEatData (dpy, (unsigned long) nbytes);
+ 	return NULL;
+diff --git a/src/XrrCrtc.c b/src/XrrCrtc.c
+index 5ae35c5..6665092 100644
+--- a/src/XrrCrtc.c
++++ b/src/XrrCrtc.c
+@@ -24,6 +24,7 @@
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <stdio.h>
+ #include <X11/Xlib.h>
+ /* we need to be able to manipulate the Display structure on events */
+@@ -57,22 +58,33 @@ XRRGetCrtcInfo (Display *dpy, XRRScreenResources *resources, RRCrtc crtc)
+ 	return NULL;
+     }
+ 
+-    nbytes = (long) rep.length << 2;
++    if (rep.length < INT_MAX >> 2)
++    {
++	nbytes = (long) rep.length << 2;
+ 
+-    nbytesRead = (long) (rep.nOutput * 4 +
+-			 rep.nPossibleOutput * 4);
++	nbytesRead = (long) (rep.nOutput * 4 +
++			     rep.nPossibleOutput * 4);
+ 
+-    /*
+-     * first we must compute how much space to allocate for
+-     * randr library's use; we'll allocate the structures in a single
+-     * allocation, on cleanlyness grounds.
+-     */
++	/*
++	 * first we must compute how much space to allocate for
++	 * randr library's use; we'll allocate the structures in a single
++	 * allocation, on cleanlyness grounds.
++	 */
+ 
+-    rbytes = (sizeof (XRRCrtcInfo) +
+-	      rep.nOutput * sizeof (RROutput) +
+-	      rep.nPossibleOutput * sizeof (RROutput));
++	rbytes = (sizeof (XRRCrtcInfo) +
++		  rep.nOutput * sizeof (RROutput) +
++		  rep.nPossibleOutput * sizeof (RROutput));
++
++	xci = (XRRCrtcInfo *) Xmalloc(rbytes);
++    }
++    else
++    {
++	nbytes = 0;
++	nbytesRead = 0;
++	rbytes = 0;
++	xci = NULL;
++    }
+ 
+-    xci = (XRRCrtcInfo *) Xmalloc(rbytes);
+     if (xci == NULL) {
+ 	_XEatDataWords (dpy, rep.length);
+ 	UnlockDisplay (dpy);
+@@ -194,12 +206,21 @@ XRRGetCrtcGamma (Display *dpy, RRCrtc crtc)
+     if (!_XReply (dpy, (xReply *) &rep, 0, xFalse))
+ 	goto out;
+ 
+-    nbytes = (long) rep.length << 2;
++    if (rep.length < INT_MAX >> 2)
++    {
++	nbytes = (long) rep.length << 2;
+ 
+-    /* three channels of CARD16 data */
+-    nbytesRead = (rep.size * 2 * 3);
++	/* three channels of CARD16 data */
++	nbytesRead = (rep.size * 2 * 3);
+ 
+-    crtc_gamma = XRRAllocGamma (rep.size);
++	crtc_gamma = XRRAllocGamma (rep.size);
++    }
++    else
++    {
++	nbytes = 0;
++	nbytesRead = 0;
++	crtc_gamma = NULL;
++    }
+ 
+     if (!crtc_gamma)
+     {
+@@ -357,7 +378,7 @@ XRRGetCrtcTransform (Display	*dpy,
+     xRRGetCrtcTransformReq	*req;
+     int				major_version, minor_version;
+     XRRCrtcTransformAttributes	*attr;
+-    char			*extra = NULL, *e;
++    char			*extra = NULL, *end = NULL, *e;
+     int				p;
+ 
+     *attributes = NULL;
+@@ -395,9 +416,17 @@ XRRGetCrtcTransform (Display	*dpy,
+ 	else
+ 	{
+ 	    int extraBytes = rep.length * 4 - CrtcTransformExtra;
+-	    extra = Xmalloc (extraBytes);
++	    if (rep.length < INT_MAX / 4 &&
++		rep.length * 4 >= CrtcTransformExtra) {
++		extra = Xmalloc (extraBytes);
++		end = extra + extraBytes;
++	    } else
++		extra = NULL;
+ 	    if (!extra) {
+-		_XEatDataWords (dpy, rep.length - (CrtcTransformExtra >> 2));
++		if (rep.length > (CrtcTransformExtra >> 2))
++		    _XEatDataWords (dpy, rep.length - (CrtcTransformExtra >> 2));
++		else
++		    _XEatDataWords (dpy, rep.length);
+ 		UnlockDisplay (dpy);
+ 		SyncHandle ();
+ 		return False;
+@@ -429,22 +458,38 @@ XRRGetCrtcTransform (Display	*dpy,
+ 
+     e = extra;
+ 
++    if (e + rep.pendingNbytesFilter > end) {
++	XFree (extra);
++	return False;
++    }
+     memcpy (attr->pendingFilter, e, rep.pendingNbytesFilter);
+     attr->pendingFilter[rep.pendingNbytesFilter] = '\0';
+     e += (rep.pendingNbytesFilter + 3) & ~3;
+     for (p = 0; p < rep.pendingNparamsFilter; p++) {
+ 	INT32	f;
++	if (e + 4 > end) {
++	    XFree (extra);
++	    return False;
++	}
+ 	memcpy (&f, e, 4);
+ 	e += 4;
+ 	attr->pendingParams[p] = (XFixed) f;
+     }
+     attr->pendingNparams = rep.pendingNparamsFilter;
+ 
++    if (e + rep.currentNbytesFilter > end) {
++	XFree (extra);
++	return False;
++    }
+     memcpy (attr->currentFilter, e, rep.currentNbytesFilter);
+     attr->currentFilter[rep.currentNbytesFilter] = '\0';
+     e += (rep.currentNbytesFilter + 3) & ~3;
+     for (p = 0; p < rep.currentNparamsFilter; p++) {
+ 	INT32	f;
++	if (e + 4 > end) {
++	    XFree (extra);
++	    return False;
++	}
+ 	memcpy (&f, e, 4);
+ 	e += 4;
+ 	attr->currentParams[p] = (XFixed) f;
+diff --git a/src/XrrMonitor.c b/src/XrrMonitor.c
+index a9eaa7b..adc5330 100644
+--- a/src/XrrMonitor.c
++++ b/src/XrrMonitor.c
+@@ -24,6 +24,7 @@
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <stdio.h>
+ #include <X11/Xlib.h>
+ /* we need to be able to manipulate the Display structure on events */
+@@ -65,6 +66,15 @@ XRRGetMonitors(Display *dpy, Window window, Bool get_active, int *nmonitors)
+ 	return NULL;
+     }
+ 
++    if (rep.length > INT_MAX >> 2 ||
++	rep.nmonitors > INT_MAX / SIZEOF(xRRMonitorInfo) ||
++	rep.noutputs > INT_MAX / 4 ||
++	rep.nmonitors * SIZEOF(xRRMonitorInfo) > INT_MAX - rep.noutputs * 4) {
++	_XEatData (dpy, rep.length);
++	UnlockDisplay (dpy);
++	SyncHandle ();
++	return NULL;
++    }
+     nbytes = (long) rep.length << 2;
+     nmon = rep.nmonitors;
+     noutput = rep.noutputs;
+@@ -111,6 +121,14 @@ XRRGetMonitors(Display *dpy, Window window, Bool get_active, int *nmonitors)
+ 	    mon[m].outputs = output;
+ 	    buf += SIZEOF (xRRMonitorInfo);
+ 	    xoutput = (CARD32 *) buf;
++	    if (xmon->noutput > rep.noutputs) {
++	        Xfree(buf);
++	        Xfree(mon);
++	        UnlockDisplay (dpy);
++	        SyncHandle ();
++	        return NULL;
++	    }
++	    rep.noutputs -= xmon->noutput;
+ 	    for (o = 0; o < xmon->noutput; o++)
+ 		output[o] = xoutput[o];
+ 	    output += xmon->noutput;
+diff --git a/src/XrrOutput.c b/src/XrrOutput.c
+index 85f0b6e..30f3d40 100644
+--- a/src/XrrOutput.c
++++ b/src/XrrOutput.c
+@@ -25,6 +25,7 @@
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <stdio.h>
+ #include <X11/Xlib.h>
+ /* we need to be able to manipulate the Display structure on events */
+@@ -60,6 +61,16 @@ XRRGetOutputInfo (Display *dpy, XRRScreenResources *resources, RROutput output)
+ 	return NULL;
+     }
+ 
++    if (rep.length > INT_MAX >> 2 || rep.length < (OutputInfoExtra >> 2))
++    {
++        if (rep.length > (OutputInfoExtra >> 2))
++	    _XEatDataWords (dpy, rep.length - (OutputInfoExtra >> 2));
++	else
++	    _XEatDataWords (dpy, rep.length);
++	UnlockDisplay (dpy);
++	SyncHandle ();
++	return NULL;
++    }
+     nbytes = ((long) (rep.length) << 2) - OutputInfoExtra;
+ 
+     nbytesRead = (long) (rep.nCrtcs * 4 +
+diff --git a/src/XrrProvider.c b/src/XrrProvider.c
+index 9e620c7..d796cd0 100644
+--- a/src/XrrProvider.c
++++ b/src/XrrProvider.c
+@@ -25,6 +25,7 @@
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <stdio.h>
+ #include <X11/Xlib.h>
+ /* we need to be able to manipulate the Display structure on events */
+@@ -59,12 +60,20 @@ XRRGetProviderResources(Display *dpy, Window window)
+       return NULL;
+     }
+ 
+-    nbytes = (long) rep.length << 2;
++    if (rep.length < INT_MAX >> 2) {
++	nbytes = (long) rep.length << 2;
+ 
+-    nbytesRead = (long) (rep.nProviders * 4);
++	nbytesRead = (long) (rep.nProviders * 4);
+ 
+-    rbytes = (sizeof(XRRProviderResources) + rep.nProviders * sizeof(RRProvider));
+-    xrpr = (XRRProviderResources *) Xmalloc(rbytes);
++	rbytes = (sizeof(XRRProviderResources) + rep.nProviders *
++		  sizeof(RRProvider));
++	xrpr = (XRRProviderResources *) Xmalloc(rbytes);
++    } else {
++	nbytes = 0;
++	nbytesRead = 0;
++	rbytes = 0;
++	xrpr = NULL;
++    }
+ 
+     if (xrpr == NULL) {
+        _XEatDataWords (dpy, rep.length);
+@@ -121,6 +130,17 @@ XRRGetProviderInfo(Display *dpy, XRRScreenResources *resources, RRProvider provi
+ 	return NULL;
+     }
+ 
++    if (rep.length > INT_MAX >> 2 || rep.length < ProviderInfoExtra >> 2)
++    {
++	if (rep.length < ProviderInfoExtra >> 2)
++	    _XEatDataWords (dpy, rep.length);
++	else
++	    _XEatDataWords (dpy, rep.length - (ProviderInfoExtra >> 2));
++	UnlockDisplay (dpy);
++	SyncHandle ();
++	return NULL;
++    }
++
+     nbytes = ((long) rep.length << 2) - ProviderInfoExtra;
+ 
+     nbytesRead = (long)(rep.nCrtcs * 4 +
+diff --git a/src/XrrScreen.c b/src/XrrScreen.c
+index b8ce7e5..1f7ffe6 100644
+--- a/src/XrrScreen.c
++++ b/src/XrrScreen.c
+@@ -24,6 +24,7 @@
+ #include <config.h>
+ #endif
+ 
++#include <limits.h>
+ #include <stdio.h>
+ #include <X11/Xlib.h>
+ /* we need to be able to manipulate the Display structure on events */
+@@ -105,27 +106,36 @@ doGetScreenResources (Display *dpy, Window window, int poll)
+ 	xrri->has_rates = _XRRHasRates (xrri->minor_version, xrri->major_version);
+     }
+ 
+-    nbytes = (long) rep.length << 2;
++    if (rep.length < INT_MAX >> 2) {
++	nbytes = (long) rep.length << 2;
+ 
+-    nbytesRead = (long) (rep.nCrtcs * 4 +
+-			 rep.nOutputs * 4 +
+-			 rep.nModes * SIZEOF (xRRModeInfo) +
+-			 ((rep.nbytesNames + 3) & ~3));
++	nbytesRead = (long) (rep.nCrtcs * 4 +
++			     rep.nOutputs * 4 +
++			     rep.nModes * SIZEOF (xRRModeInfo) +
++			     ((rep.nbytesNames + 3) & ~3));
+ 
+-    /*
+-     * first we must compute how much space to allocate for
+-     * randr library's use; we'll allocate the structures in a single
+-     * allocation, on cleanlyness grounds.
+-     */
++	/*
++	 * first we must compute how much space to allocate for
++	 * randr library's use; we'll allocate the structures in a single
++	 * allocation, on cleanlyness grounds.
++	 */
++
++	rbytes = (sizeof (XRRScreenResources) +
++		  rep.nCrtcs * sizeof (RRCrtc) +
++		  rep.nOutputs * sizeof (RROutput) +
++		  rep.nModes * sizeof (XRRModeInfo) +
++		  rep.nbytesNames + rep.nModes);    /* '\0' terminate names */
+ 
+-    rbytes = (sizeof (XRRScreenResources) +
+-	      rep.nCrtcs * sizeof (RRCrtc) +
+-	      rep.nOutputs * sizeof (RROutput) +
+-	      rep.nModes * sizeof (XRRModeInfo) +
+-	      rep.nbytesNames + rep.nModes);	/* '\0' terminate names */
++	xrsr = (XRRScreenResources *) Xmalloc(rbytes);
++	wire_names = (char *) Xmalloc (rep.nbytesNames);
++    } else {
++	nbytes = 0;
++	nbytesRead = 0;
++	rbytes = 0;
++	xrsr = NULL;
++	wire_names = NULL;
++    }
+ 
+-    xrsr = (XRRScreenResources *) Xmalloc(rbytes);
+-    wire_names = (char *) Xmalloc (rep.nbytesNames);
+     if (xrsr == NULL || wire_names == NULL) {
+ 	Xfree (xrsr);
+ 	Xfree (wire_names);
+@@ -174,6 +184,14 @@ doGetScreenResources (Display *dpy, Window window, int poll)
+     wire_name = wire_names;
+     for (i = 0; i < rep.nModes; i++)  {
+ 	xrsr->modes[i].name = names;
++	if (xrsr->modes[i].nameLength > rep.nbytesNames) {
++	    Xfree (xrsr);
++	    Xfree (wire_names);
++	    UnlockDisplay (dpy);
++	    SyncHandle ();
++	    return NULL;
++	}
++	rep.nbytesNames -= xrsr->modes[i].nameLength;
+ 	memcpy (names, wire_name, xrsr->modes[i].nameLength);
+ 	names[xrsr->modes[i].nameLength] = '\0';
+ 	names += xrsr->modes[i].nameLength + 1;
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libxrender-CVE-2016-7949.patch b/gnu/packages/patches/libxrender-CVE-2016-7949.patch
new file mode 100644
index 0000000000..3a2be4ea8e
--- /dev/null
+++ b/gnu/packages/patches/libxrender-CVE-2016-7949.patch
@@ -0,0 +1,66 @@
+Fix CVE-2016-7949:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7949
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=9362c7ddd1af3b168953d0737877bc52d79c94f4
+
+From 9362c7ddd1af3b168953d0737877bc52d79c94f4 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 21:43:09 +0200
+Subject: [PATCH] Validate lengths while parsing server data.
+
+Individual lengths inside received server data can overflow
+the previously reserved memory.
+
+It is therefore important to validate every single length
+field to not overflow the previously agreed sum of all invidual
+length fields.
+
+v2: consume remaining bytes in the reply buffer on error.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb@laas.fr
+---
+ src/Xrender.c | 18 ++++++++++++++++++
+ 1 file changed, 18 insertions(+)
+
+diff --git a/src/Xrender.c b/src/Xrender.c
+index 3102eb2..71cf3e6 100644
+--- a/src/Xrender.c
++++ b/src/Xrender.c
+@@ -533,12 +533,30 @@ XRenderQueryFormats (Display *dpy)
+ 	screen->fallback = _XRenderFindFormat (xri, xScreen->fallback);
+ 	screen->subpixel = SubPixelUnknown;
+ 	xDepth = (xPictDepth *) (xScreen + 1);
++	if (screen->ndepths > rep.numDepths) {
++	    Xfree (xri);
++	    Xfree (xData);
++	    _XEatDataWords (dpy, rep.length);
++	    UnlockDisplay (dpy);
++	    SyncHandle ();
++	    return 0;
++	}
++	rep.numDepths -= screen->ndepths;
+ 	for (nd = 0; nd < screen->ndepths; nd++)
+ 	{
+ 	    depth->depth = xDepth->depth;
+ 	    depth->nvisuals = xDepth->nPictVisuals;
+ 	    depth->visuals = visual;
+ 	    xVisual = (xPictVisual *) (xDepth + 1);
++	    if (depth->nvisuals > rep.numVisuals) {
++		Xfree (xri);
++		Xfree (xData);
++		_XEatDataWords (dpy, rep.length);
++		UnlockDisplay (dpy);
++		SyncHandle ();
++		return 0;
++	    }
++	    rep.numVisuals -= depth->nvisuals;
+ 	    for (nv = 0; nv < depth->nvisuals; nv++)
+ 	    {
+ 		visual->visual = _XRenderFindVisual (dpy, xVisual->visual);
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libxrender-CVE-2016-7950.patch b/gnu/packages/patches/libxrender-CVE-2016-7950.patch
new file mode 100644
index 0000000000..1a64b6e724
--- /dev/null
+++ b/gnu/packages/patches/libxrender-CVE-2016-7950.patch
@@ -0,0 +1,73 @@
+Fix CVE-2016-7950:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7950
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=8fad00b0b647ee662ce4737ca15be033b7a21714
+
+From 8fad00b0b647ee662ce4737ca15be033b7a21714 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 21:42:09 +0200
+Subject: [PATCH] Avoid OOB write in XRenderQueryFilters
+
+The memory for filter names is reserved right after receiving the reply.
+After that, filters are iterated and each individual filter name is
+stored in that reserved memory.
+
+The individual name lengths are not checked for validity, which means
+that a malicious server can reserve less memory than it will write to
+during each iteration.
+
+v2: consume remaining bytes in reply buffer on error.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/Filter.c | 13 ++++++++++++-
+ 1 file changed, 12 insertions(+), 1 deletion(-)
+
+diff --git a/src/Filter.c b/src/Filter.c
+index edfa572..8d701eb 100644
+--- a/src/Filter.c
++++ b/src/Filter.c
+@@ -38,7 +38,7 @@ XRenderQueryFilters (Display *dpy, Drawable drawable)
+     char			*name;
+     char			len;
+     int				i;
+-    unsigned long		nbytes, nbytesAlias, nbytesName;
++    unsigned long		nbytes, nbytesAlias, nbytesName, reply_left;
+ 
+     if (!RenderHasExtension (info))
+ 	return NULL;
+@@ -114,6 +114,7 @@ XRenderQueryFilters (Display *dpy, Drawable drawable)
+      * Read the filter aliases
+      */
+     _XRead16Pad (dpy, filters->alias, 2 * rep.numAliases);
++    reply_left = 8 + rep.length - 2 * rep.numAliases;;
+ 
+     /*
+      * Read the filter names
+@@ -122,9 +123,19 @@ XRenderQueryFilters (Display *dpy, Drawable drawable)
+     {
+ 	int	l;
+ 	_XRead (dpy, &len, 1);
++	reply_left--;
+ 	l = len & 0xff;
++	if ((unsigned long)l + 1 > nbytesName) {
++            _XEatDataWords(dpy, reply_left);
++	    Xfree(filters);
++	    UnlockDisplay (dpy);
++	    SyncHandle ();
++	    return NULL;
++	}
++	nbytesName -= l + 1;
+ 	filters->filter[i] = name;
+ 	_XRead (dpy, name, l);
++        reply_left -= l;
+ 	name[l] = '\0';
+ 	name += l + 1;
+     }
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libxtst-CVE-2016-7951-CVE-2016-7952.patch b/gnu/packages/patches/libxtst-CVE-2016-7951-CVE-2016-7952.patch
new file mode 100644
index 0000000000..9df6cf3f4d
--- /dev/null
+++ b/gnu/packages/patches/libxtst-CVE-2016-7951-CVE-2016-7952.patch
@@ -0,0 +1,152 @@
+Fix CVE-2016-7951 and CVE-2016-7952
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7951
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7952
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libXtst/commit/?id=9556ad67af3129ec4a7a4f4b54a0d59701beeae3
+
+From 9556ad67af3129ec4a7a4f4b54a0d59701beeae3 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 21:37:01 +0200
+Subject: [PATCH] Out of boundary access and endless loop in libXtst
+
+A lack of range checks in libXtst allows out of boundary accesses.
+The checks have to be done in-place here, because it cannot be done
+without in-depth knowledge of the read data.
+
+If XRecordStartOfData, XRecordEndOfData, or XRecordClientDied
+without a client sequence have attached data, an endless loop would
+occur. The do-while-loop continues until the current index reaches
+the end. But in these cases, the current index would not be
+incremented, leading to an endless processing.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/XRecord.c | 43 +++++++++++++++++++++++++++++++++++++++----
+ 1 file changed, 39 insertions(+), 4 deletions(-)
+
+diff --git a/src/XRecord.c b/src/XRecord.c
+index 50420c0..fefd842 100644
+--- a/src/XRecord.c
++++ b/src/XRecord.c
+@@ -749,15 +749,23 @@ parse_reply_call_callback(
+ 	switch (rep->category) {
+ 	case XRecordFromServer:
+ 	    if (rep->elementHeader&XRecordFromServerTime) {
++		if (current_index + 4 > rep->length << 2)
++		    return Error;
+ 		EXTRACT_CARD32(rep->clientSwapped,
+ 			       reply->buf+current_index,
+ 			       data->server_time);
+ 		current_index += 4;
+ 	    }
++	    if (current_index + 1 > rep->length << 2)
++		return Error;
+ 	    switch (reply->buf[current_index]) {
+ 	    case X_Reply: /* reply */
++		if (current_index + 8 > rep->length << 2)
++		    return Error;
+ 		EXTRACT_CARD32(rep->clientSwapped,
+ 			       reply->buf+current_index+4, datum_bytes);
++		if (datum_bytes < 0 || datum_bytes > ((INT_MAX >> 2) - 8))
++		    return Error;
+ 		datum_bytes = (datum_bytes+8) << 2;
+ 		break;
+ 	    default: /* error or event */
+@@ -766,52 +774,73 @@ parse_reply_call_callback(
+ 	    break;
+ 	case XRecordFromClient:
+ 	    if (rep->elementHeader&XRecordFromClientTime) {
++		if (current_index + 4 > rep->length << 2)
++		    return Error;
+ 		EXTRACT_CARD32(rep->clientSwapped,
+ 			       reply->buf+current_index,
+ 			       data->server_time);
+ 		current_index += 4;
+ 	    }
+ 	    if (rep->elementHeader&XRecordFromClientSequence) {
++		if (current_index + 4 > rep->length << 2)
++		    return Error;
+ 		EXTRACT_CARD32(rep->clientSwapped,
+ 			       reply->buf+current_index,
+ 			       data->client_seq);
+ 		current_index += 4;
+ 	    }
++	    if (current_index + 4 > rep->length<<2)
++		return Error;
+ 	    if (reply->buf[current_index+2] == 0
+ 		&& reply->buf[current_index+3] == 0) /* needn't swap 0 */
+ 	    {	/* BIG-REQUESTS */
++		if (current_index + 8 > rep->length << 2)
++		    return Error;
+ 		EXTRACT_CARD32(rep->clientSwapped,
+ 			       reply->buf+current_index+4, datum_bytes);
+ 	    } else {
+ 		EXTRACT_CARD16(rep->clientSwapped,
+ 			       reply->buf+current_index+2, datum_bytes);
+ 	    }
++	    if (datum_bytes < 0 || datum_bytes > INT_MAX >> 2)
++		return Error;
+ 	    datum_bytes <<= 2;
+ 	    break;
+ 	case XRecordClientStarted:
++	    if (current_index + 8 > rep->length << 2)
++		return Error;
+ 	    EXTRACT_CARD16(rep->clientSwapped,
+ 			   reply->buf+current_index+6, datum_bytes);
+ 	    datum_bytes = (datum_bytes+2) << 2;
+ 	    break;
+ 	case XRecordClientDied:
+ 	    if (rep->elementHeader&XRecordFromClientSequence) {
++		if (current_index + 4 > rep->length << 2)
++		    return Error;
+ 		EXTRACT_CARD32(rep->clientSwapped,
+ 			       reply->buf+current_index,
+ 			       data->client_seq);
+ 		current_index += 4;
+-	    }
+-	    /* fall through */
++	    } else if (current_index < rep->length << 2)
++		return Error;
++	    datum_bytes = 0;
++	    break;
+ 	case XRecordStartOfData:
+ 	case XRecordEndOfData:
++	    if (current_index < rep->length << 2)
++		return Error;
+ 	    datum_bytes = 0;
++	    break;
+ 	}
+ 
+ 	if (datum_bytes > 0) {
+-	    if (current_index + datum_bytes > rep->length << 2)
++	    if (INT_MAX - datum_bytes < (rep->length << 2) - current_index) {
+ 		fprintf(stderr,
+ 			"XRecord: %lu-byte reply claims %d-byte element (seq %lu)\n",
+-			(long)rep->length << 2, current_index + datum_bytes,
++			(unsigned long)rep->length << 2, current_index + datum_bytes,
+ 			dpy->last_request_read);
++		return Error;
++	    }
+ 	    /*
+ 	     * This assignment (and indeed the whole buffer sharing
+ 	     * scheme) assumes arbitrary 4-byte boundaries are
+@@ -863,6 +892,12 @@ XRecordEnableContext(Display *dpy, XRecordContext context,
+ 	    return 0;
+ 	}
+ 
++	if (rep.length > INT_MAX >> 2) {
++	    UnlockDisplay(dpy);
++	    SyncHandle();
++	    return 0;
++	}
++
+ 	if (rep.length > 0) {
+ 	    reply = alloc_reply_buffer(info, rep.length<<2);
+ 	    if (!reply) {
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libxv-CVE-2016-5407.patch b/gnu/packages/patches/libxv-CVE-2016-5407.patch
new file mode 100644
index 0000000000..e6a76c9f70
--- /dev/null
+++ b/gnu/packages/patches/libxv-CVE-2016-5407.patch
@@ -0,0 +1,162 @@
+Fix CVE-2016-5407:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5407
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libXv/commit/?id=d9da580b46a28ab497de2e94fdc7b9ff953dab17
+
+From d9da580b46a28ab497de2e94fdc7b9ff953dab17 Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 21:30:03 +0200
+Subject: [PATCH] Protocol handling issues in libXv - CVE-2016-5407
+
+The Xv query functions for adaptors and encodings suffer from out of
+boundary accesses if a hostile X server sends a maliciously crafted
+response.
+
+A previous fix already checks the received length against fixed values
+but ignores additional length specifications which are stored inside
+the received data.
+
+These lengths are accessed in a for-loop. The easiest way to guarantee
+a correct processing is by validating all lengths against the
+remaining size left before accessing referenced memory.
+
+This makes the previously applied check obsolete, therefore I removed
+it.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/Xv.c | 46 +++++++++++++++++++++++++++++-----------------
+ 1 file changed, 29 insertions(+), 17 deletions(-)
+
+diff --git a/src/Xv.c b/src/Xv.c
+index e47093a..be450c4 100644
+--- a/src/Xv.c
++++ b/src/Xv.c
+@@ -158,6 +158,7 @@ XvQueryAdaptors(
+     size_t size;
+     unsigned int ii, jj;
+     char *name;
++    char *end;
+     XvAdaptorInfo *pas = NULL, *pa;
+     XvFormat *pfs, *pf;
+     char *buffer = NULL;
+@@ -197,17 +198,13 @@ XvQueryAdaptors(
+     /* GET INPUT ADAPTORS */
+ 
+     if (rep.num_adaptors == 0) {
+-        /* If there's no adaptors, there's nothing more to do. */
++        /* If there are no adaptors, there's nothing more to do. */
+         status = Success;
+         goto out;
+     }
+ 
+-    if (size < (rep.num_adaptors * sz_xvAdaptorInfo)) {
+-        /* If there's not enough data for the number of adaptors,
+-           then we have a problem. */
+-        status = XvBadReply;
+-        goto out;
+-    }
++    u.buffer = buffer;
++    end = buffer + size;
+ 
+     size = rep.num_adaptors * sizeof(XvAdaptorInfo);
+     if ((pas = Xmalloc(size)) == NULL) {
+@@ -225,9 +222,12 @@ XvQueryAdaptors(
+         pa++;
+     }
+ 
+-    u.buffer = buffer;
+     pa = pas;
+     for (ii = 0; ii < rep.num_adaptors; ii++) {
++        if (u.buffer + sz_xvAdaptorInfo > end) {
++            status = XvBadReply;
++            goto out;
++        }
+         pa->type = u.pa->type;
+         pa->base_id = u.pa->base_id;
+         pa->num_ports = u.pa->num_ports;
+@@ -239,6 +239,10 @@ XvQueryAdaptors(
+         size = u.pa->name_size;
+         u.buffer += pad_to_int32(sz_xvAdaptorInfo);
+ 
++        if (u.buffer + size > end) {
++            status = XvBadReply;
++            goto out;
++        }
+         if ((name = Xmalloc(size + 1)) == NULL) {
+             status = XvBadAlloc;
+             goto out;
+@@ -259,6 +263,11 @@ XvQueryAdaptors(
+ 
+         pf = pfs;
+         for (jj = 0; jj < pa->num_formats; jj++) {
++            if (u.buffer + sz_xvFormat > end) {
++                Xfree(pfs);
++                status = XvBadReply;
++                goto out;
++            }
+             pf->depth = u.pf->depth;
+             pf->visual_id = u.pf->visual;
+             pf++;
+@@ -327,6 +336,7 @@ XvQueryEncodings(
+     size_t size;
+     unsigned int jj;
+     char *name;
++    char *end;
+     XvEncodingInfo *pes = NULL, *pe;
+     char *buffer = NULL;
+     union {
+@@ -364,17 +374,13 @@ XvQueryEncodings(
+     /* GET ENCODINGS */
+ 
+     if (rep.num_encodings == 0) {
+-        /* If there's no encodings, there's nothing more to do. */
++        /* If there are no encodings, there's nothing more to do. */
+         status = Success;
+         goto out;
+     }
+ 
+-    if (size < (rep.num_encodings * sz_xvEncodingInfo)) {
+-        /* If there's not enough data for the number of adaptors,
+-           then we have a problem. */
+-        status = XvBadReply;
+-        goto out;
+-    }
++    u.buffer = buffer;
++    end = buffer + size;
+ 
+     size = rep.num_encodings * sizeof(XvEncodingInfo);
+     if ((pes = Xmalloc(size)) == NULL) {
+@@ -391,10 +397,12 @@ XvQueryEncodings(
+         pe++;
+     }
+ 
+-    u.buffer = buffer;
+-
+     pe = pes;
+     for (jj = 0; jj < rep.num_encodings; jj++) {
++        if (u.buffer + sz_xvEncodingInfo > end) {
++            status = XvBadReply;
++            goto out;
++        }
+         pe->encoding_id = u.pe->encoding;
+         pe->width = u.pe->width;
+         pe->height = u.pe->height;
+@@ -405,6 +413,10 @@ XvQueryEncodings(
+         size = u.pe->name_size;
+         u.buffer += pad_to_int32(sz_xvEncodingInfo);
+ 
++        if (u.buffer + size > end) {
++            status = XvBadReply;
++            goto out;
++        }
+         if ((name = Xmalloc(size + 1)) == NULL) {
+             status = XvBadAlloc;
+             goto out;
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/libxvmc-CVE-2016-7953.patch b/gnu/packages/patches/libxvmc-CVE-2016-7953.patch
new file mode 100644
index 0000000000..737abdeb9f
--- /dev/null
+++ b/gnu/packages/patches/libxvmc-CVE-2016-7953.patch
@@ -0,0 +1,42 @@
+Fix CVE-2016-7953:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7953
+
+Patch copied from upstream source repository:
+
+https://cgit.freedesktop.org/xorg/lib/libXvMC/commit/?id=2cd95e7da8367cccdcdd5c9b160012d1dec5cbdb
+
+From 2cd95e7da8367cccdcdd5c9b160012d1dec5cbdb Mon Sep 17 00:00:00 2001
+From: Tobias Stoeckmann <tobias@stoeckmann.org>
+Date: Sun, 25 Sep 2016 22:34:27 +0200
+Subject: [PATCH] Avoid buffer underflow on empty strings.
+
+If an empty string is received from an x-server, do not underrun the
+buffer by accessing "rep.nameLen - 1" unconditionally, which could end
+up being -1.
+
+Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
+Reviewed-by: Matthieu Herrb <matthieu@herrb.eu>
+---
+ src/XvMC.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/XvMC.c b/src/XvMC.c
+index 7336760..3ee4212 100644
+--- a/src/XvMC.c
++++ b/src/XvMC.c
+@@ -576,9 +576,9 @@ Status XvMCGetDRInfo(Display *dpy, XvPortID port,
+ 	if (*name && *busID && tmpBuf) {
+ 	    _XRead(dpy, tmpBuf, realSize);
+ 	    strncpy(*name,tmpBuf,rep.nameLen);
+-	    (*name)[rep.nameLen - 1] = '\0';
++	    (*name)[rep.nameLen == 0 ? 0 : rep.nameLen - 1] = '\0';
+ 	    strncpy(*busID,tmpBuf+rep.nameLen,rep.busIDLen);
+-	    (*busID)[rep.busIDLen - 1] = '\0';
++	    (*busID)[rep.busIDLen == 0 ? 0 : rep.busIDLen - 1] = '\0';
+ 	    XFree(tmpBuf);
+ 	} else {
+ 	    XFree(*name);
+-- 
+2.10.1
+
diff --git a/gnu/packages/patches/metabat-remove-compilation-date.patch b/gnu/packages/patches/metabat-remove-compilation-date.patch
new file mode 100644
index 0000000000..7672205b22
--- /dev/null
+++ b/gnu/packages/patches/metabat-remove-compilation-date.patch
@@ -0,0 +1,16 @@
+Remove the reference to the compilation date so that the build is
+reproducible.
+
+diff --git a/src/metabat.cpp b/src/metabat.cpp
+index 88e06de..c95cb1a 100644
+--- a/src/metabat.cpp
++++ b/src/metabat.cpp
+@@ -49,7 +49,7 @@ int main(int ac, char* av[]) {
+ 	po::notify(vm);
+ 
+ 	if (vm.count("help") || inFile.length() == 0 || outFile.length() == 0) {
+-		cerr << "\nMetaBAT: Metagenome Binning based on Abundance and Tetranucleotide frequency (version " << version << "; " << __DATE__ << " " << __TIME__ << ")" << endl;
++		cerr << "\nMetaBAT: Metagenome Binning based on Abundance and Tetranucleotide frequency (version " << version << "; unknown compilation date)" << endl;
+ 		cerr << "by Don Kang (ddkang@lbl.gov), Jeff Froula, Rob Egan, and Zhong Wang (zhongwang@lbl.gov) \n" << endl;
+ 		cerr << desc << endl << endl;
+ 
diff --git a/gnu/packages/patches/rush-CVE-2013-6889.patch b/gnu/packages/patches/rush-CVE-2013-6889.patch
deleted file mode 100644
index 862528a12c..0000000000
--- a/gnu/packages/patches/rush-CVE-2013-6889.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-commit 00bdccd429517f12dbf37ab4397ddec3e51a2738
-Author: Mats Erik Andersson <gnu@gisladisker.se>
-Date:   Mon Jan 20 13:33:52 2014 +0200
-
-    Protect against CVE-2013-6889 (tiny change).
-    
-    Reset the effective user identification in testing mode.
-
-diff --git a/src/rush.c b/src/rush.c
-index 45d737a..dc6518e 100644
---- a/src/rush.c
-+++ b/src/rush.c
-@@ -980,6 +980,10 @@ main(int argc, char **argv)
- 	} else if (argc > optind)
- 		die(usage_error, NULL, _("invalid command line"));
- 	
-+	/* Relinquish root privileges in test mode */
-+	if (lint_option)
-+		setuid(getuid());
-+	
- 	if (test_user_name) {
- 		struct passwd *pw = getpwnam(test_user_name);
- 		if (!pw)