diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/local.mk | 3 | ||||
| -rw-r--r-- | gnu/packages/image.scm | 16 | ||||
| -rw-r--r-- | gnu/packages/patches/libtiff-CVE-2017-7593.patch | 113 | ||||
| -rw-r--r-- | gnu/packages/patches/libtiff-CVE-2017-7594.patch | 54 | ||||
| -rw-r--r-- | gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch | 449 |
5 files changed, 634 insertions, 1 deletions
diff --git a/gnu/local.mk b/gnu/local.mk index c17fc18a13..ce7fb68416 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -738,6 +738,9 @@ dist_patch_DATA = \ %D%/packages/patches/libtiff-CVE-2016-10093.patch \ %D%/packages/patches/libtiff-CVE-2016-10094.patch \ %D%/packages/patches/libtiff-CVE-2017-5225.patch \ + %D%/packages/patches/libtiff-CVE-2017-7593.patch \ + %D%/packages/patches/libtiff-CVE-2017-7594.patch \ + %D%/packages/patches/libtiff-multiple-UBSAN-crashes.patch \ %D%/packages/patches/libtiff-assertion-failure.patch \ %D%/packages/patches/libtiff-divide-by-zero-ojpeg.patch \ %D%/packages/patches/libtiff-divide-by-zero-tiffcp.patch \ diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm index 2027395ca6..1a1108563d 100644 --- a/gnu/packages/image.scm +++ b/gnu/packages/image.scm @@ -13,7 +13,7 @@ ;;; Copyright © 2016 Tobias Geerinckx-Rice <me@tobias.gr> ;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org> ;;; Copyright © 2016 Arun Isaac <arunisaac@systemreboot.net> -;;; Copyright © 2016 Kei Kebreau <kei@openmailbox.org> +;;; Copyright © 2016, 2017 Kei Kebreau <kei@openmailbox.org> ;;; Copyright © 2017 ng0 <contact.ng0@cryptolab.net> ;;; ;;; This file is part of GNU Guix. @@ -299,6 +299,7 @@ extracting icontainer icon files.") (define-public libtiff (package (name "libtiff") + (replacement libtiff/fixed) (version "4.0.7") (source (origin (method url-fetch) @@ -347,6 +348,19 @@ collection of tools for doing simple manipulations of TIFF images.") "See COPYRIGHT in the distribution.")) (home-page "http://www.simplesystems.org/libtiff/"))) +(define libtiff/fixed + (package + (inherit libtiff) + (source + (origin + (inherit (package-source libtiff)) + (patches + (append + (origin-patches (package-source libtiff)) + (search-patches "libtiff-CVE-2017-7593.patch" + "libtiff-CVE-2017-7594.patch" + "libtiff-multiple-UBSAN-crashes.patch"))))))) + (define-public libwmf (package (name "libwmf") diff --git a/gnu/packages/patches/libtiff-CVE-2017-7593.patch b/gnu/packages/patches/libtiff-CVE-2017-7593.patch new file mode 100644 index 0000000000..496efb73b9 --- /dev/null +++ b/gnu/packages/patches/libtiff-CVE-2017-7593.patch @@ -0,0 +1,113 @@ +Fixes CVE-2017-7593 (Potential uninitialized-memory access from tif_rawdata): + +http://bugzilla.maptools.org/show_bug.cgi?id=2651 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7593 +https://security-tracker.debian.org/tracker/CVE-2017-7593 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tiffio.h, tif_unix.c, tif_win32.c, tif_vms.c: add + _TIFFcalloc() + + * libtiff/tif_read.c: TIFFReadBufferSetup(): use _TIFFcalloc() to zero + initialize tif_rawdata. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2651 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1208; previous revision: 1.1207 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v <-- libtiff/tif_read.c +new revision: 1.53; previous revision: 1.52 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_unix.c,v <-- libtiff/tif_unix.c +new revision: 1.28; previous revision: 1.27 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_vms.c,v <-- libtiff/tif_vms.c +new revision: 1.14; previous revision: 1.13 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_win32.c,v <-- libtiff/tif_win32.c +new revision: 1.42; previous revision: 1.41 +/cvs/maptools/cvsroot/libtiff/libtiff/tiffio.h,v <-- libtiff/tiffio.h +new revision: 1.94; previous revision: 1.93 + +diff -ru tiff-4.0.7/libtiff/tiffio.h tiff-4.0.7.new/libtiff/tiffio.h +--- tiff-4.0.7/libtiff/tiffio.h 1969-12-31 19:00:00.000000000 -0500 ++++ tiff-4.0.7.new/libtiff/tiffio.h 2017-05-05 19:08:03.772999790 -0400 +@@ -1,4 +1,4 @@ +-/* $Id: tiffio.h,v 1.92 2016-01-23 21:20:34 erouault Exp $ */ ++/* $Id: tiffio.h,v 1.94 2017-01-11 19:02:49 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -293,6 +293,7 @@ + */ + + extern void* _TIFFmalloc(tmsize_t s); ++extern void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz); + extern void* _TIFFrealloc(void* p, tmsize_t s); + extern void _TIFFmemset(void* p, int v, tmsize_t c); + extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c); +diff -ru tiff-4.0.7/libtiff/tif_read.c tiff-4.0.7.new/libtiff/tif_read.c +--- tiff-4.0.7/libtiff/tif_read.c 2017-05-05 19:04:09.740966642 -0400 ++++ tiff-4.0.7.new/libtiff/tif_read.c 2017-05-05 18:59:11.070709441 -0400 +@@ -1,4 +1,4 @@ +-/* $Id: tif_read.c,v 1.50 2016-12-02 21:56:56 erouault Exp $ */ ++/* $Id: tif_read.c,v 1.53 2017-01-11 19:02:49 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -976,7 +976,9 @@ + "Invalid buffer size"); + return (0); + } +- tif->tif_rawdata = (uint8*) _TIFFmalloc(tif->tif_rawdatasize); ++ /* Initialize to zero to avoid uninitialized buffers in case of */ ++ /* short reads (http://bugzilla.maptools.org/show_bug.cgi?id=2651) */ ++ tif->tif_rawdata = (uint8*) _TIFFcalloc(1, tif->tif_rawdatasize); + tif->tif_flags |= TIFF_MYBUFFER; + } + if (tif->tif_rawdata == NULL) { +diff -ru tiff-4.0.7/libtiff/tif_unix.c tiff-4.0.7.new/libtiff/tif_unix.c +--- tiff-4.0.7/libtiff/tif_unix.c 1969-12-31 19:00:00.000000000 -0500 ++++ tiff-4.0.7.new/libtiff/tif_unix.c 2017-05-05 19:10:48.302645187 -0400 +@@ -1,4 +1,4 @@ +-/* $Id: tif_unix.c,v 1.27 2015-08-19 02:31:04 bfriesen Exp $ */ ++/* $Id: tif_unix.c,v 1.28 2017-01-11 19:02:49 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -316,6 +316,14 @@ + return (malloc((size_t) s)); + } + ++void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz) ++{ ++ if( nmemb == 0 || siz == 0 ) ++ return ((void *) NULL); ++ ++ return calloc((size_t) nmemb, (size_t)siz); ++} ++ + void + _TIFFfree(void* p) + { +diff -ru tiff-4.0.7/libtiff/tif_win32.c tiff-4.0.7.new/libtiff/tif_win32.c +--- tiff-4.0.7/libtiff/tif_win32.c 1969-12-31 19:00:00.000000000 -0500 ++++ tiff-4.0.7.new/libtiff/tif_win32.c 2017-05-05 19:13:06.903399627 -0400 +@@ -1,4 +1,4 @@ +-/* $Id: tif_win32.c,v 1.41 2015-08-23 20:12:44 bfriesen Exp $ */ ++/* $Id: tif_win32.c,v 1.42 2017-01-11 19:02:49 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -360,6 +360,14 @@ + return (malloc((size_t) s)); + } + ++void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz) ++{ ++ if( nmemb == 0 || siz == 0 ) ++ return ((void *) NULL); ++ ++ return calloc((size_t) nmemb, (size_t)siz); ++} ++ + void + _TIFFfree(void* p) + { diff --git a/gnu/packages/patches/libtiff-CVE-2017-7594.patch b/gnu/packages/patches/libtiff-CVE-2017-7594.patch new file mode 100644 index 0000000000..d17997d447 --- /dev/null +++ b/gnu/packages/patches/libtiff-CVE-2017-7594.patch @@ -0,0 +1,54 @@ +Fixes CVE-2017-7594 (Direct leak in tif_ojpeg.c): + +http://bugzilla.maptools.org/show_bug.cgi?id=2659 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7594 +https://security-tracker.debian.org/tracker/CVE-2017-7594 + +2017-01-12 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_ojpeg.c: fix leak in OJPEGReadHeaderInfoSecTablesAcTable + when read fails. + Patch by Nicolás Peña. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2659 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1212; previous revision: 1.1211 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_ojpeg.c,v <-- libtiff/tif_ojpeg.c +new revision: 1.67; previous revision: 1.66 + +Index: libtiff/libtiff/tif_ojpeg.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_ojpeg.c,v +retrieving revision 1.67 +retrieving revision 1.68 +diff -u -r1.67 -r1.68 +--- libtiff/libtiff/tif_ojpeg.c 12 Jan 2017 17:43:26 -0000 1.67 ++++ libtiff/libtiff/tif_ojpeg.c 12 Jan 2017 19:23:20 -0000 1.68 +@@ -1,4 +1,4 @@ +-/* $Id: tif_ojpeg.c,v 1.66 2016-12-03 11:15:18 erouault Exp $ */ ++/* $Id: tif_ojpeg.c,v 1.68 2017-01-12 19:23:20 erouault Exp $ */ + + /* WARNING: The type of JPEG encapsulation defined by the TIFF Version 6.0 + specification is now totally obsolete and deprecated for new applications and +@@ -1790,7 +1790,10 @@ + TIFFSeekFile(tif,sp->qtable_offset[m],SEEK_SET); + p=(uint32)TIFFReadFile(tif,&ob[sizeof(uint32)+5],64); + if (p!=64) ++ { ++ _TIFFfree(ob); + return(0); ++ } + sp->qtable[m]=ob; + sp->sof_tq[m]=m; + } +@@ -1854,7 +1857,10 @@ + rb[sizeof(uint32)+5+n]=o[n]; + p=(uint32)TIFFReadFile(tif,&(rb[sizeof(uint32)+21]),q); + if (p!=q) ++ { ++ _TIFFfree(rb); + return(0); ++ } + sp->dctable[m]=rb; + sp->sos_tda[m]=(m<<4); + } diff --git a/gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch b/gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch new file mode 100644 index 0000000000..2f4509f386 --- /dev/null +++ b/gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch @@ -0,0 +1,449 @@ +Fixes CVE-2017-{7595,7596,7597,7598,7599,7600,7601,7602}: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7595 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7596 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7597 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7598 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7599 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7600 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7601 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7602 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_dir.c, tif_dirread.c, tif_dirwrite.c: implement various + clampings + of double to other data types to avoid undefined behaviour if the + output range + isn't big enough to hold the input value. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2643 + http://bugzilla.maptools.org/show_bug.cgi?id=2642 + http://bugzilla.maptools.org/show_bug.cgi?id=2646 + http://bugzilla.maptools.org/show_bug.cgi?id=2647 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1204; previous revision: 1.1203 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v <-- libtiff/tif_dir.c +new revision: 1.129; previous revision: 1.128 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v <-- libtiff/tif_dirread.c +new revision: 1.207; previous revision: 1.206 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirwrite.c,v <-- libtiff/tif_dirwrite.c +new revision: 1.85; previous revision: 1.84 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_dirread.c: avoid division by floating point 0 in + TIFFReadDirEntryCheckedRational() and + TIFFReadDirEntryCheckedSrational(), + and return 0 in that case (instead of infinity as before presumably) + Apparently some sanitizers do not like those divisions by zero. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2644 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1203; previous revision: 1.1202 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v <-- libtiff/tif_dirread.c +new revision: 1.206; previous revision: 1.205 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_jpeg.c: validate BitsPerSample in JPEGSetupEncode() to + avoid undefined behaviour caused by invalid shift exponent. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2648 + + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1205; previous revision: 1.1204 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_jpeg.c,v <-- libtiff/tif_jpeg.c +new revision: 1.126; previous revision: 1.125 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_read.c: avoid potential undefined behaviour on signed + integer addition in TIFFReadRawStrip1() in isMapped() case. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2650 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1206; previous revision: 1.1205 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v <-- libtiff/tif_read.c +new revision: 1.51; previous revision: 1.50 + +Index: libtiff/libtiff/tif_dir.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v +retrieving revision 1.128 +retrieving revision 1.129 +diff -u -r1.128 -r1.129 +--- libtiff/libtiff/tif_dir.c 3 Dec 2016 15:30:31 -0000 1.128 ++++ libtiff/libtiff/tif_dir.c 11 Jan 2017 16:09:02 -0000 1.129 +@@ -1,4 +1,4 @@ +-/* $Id: tif_dir.c,v 1.128 2016-12-03 15:30:31 erouault Exp $ */ ++/* $Id: tif_dir.c,v 1.129 2017-01-11 16:09:02 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -31,6 +31,7 @@ + * (and also some miscellaneous stuff) + */ + #include "tiffiop.h" ++#include <float.h> + + /* + * These are used in the backwards compatibility code... +@@ -154,6 +155,15 @@ + return (0); + } + ++static float TIFFClampDoubleToFloat( double val ) ++{ ++ if( val > FLT_MAX ) ++ return FLT_MAX; ++ if( val < -FLT_MAX ) ++ return -FLT_MAX; ++ return (float)val; ++} ++ + static int + _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap) + { +@@ -312,13 +322,13 @@ + dblval = va_arg(ap, double); + if( dblval < 0 ) + goto badvaluedouble; +- td->td_xresolution = (float) dblval; ++ td->td_xresolution = TIFFClampDoubleToFloat( dblval ); + break; + case TIFFTAG_YRESOLUTION: + dblval = va_arg(ap, double); + if( dblval < 0 ) + goto badvaluedouble; +- td->td_yresolution = (float) dblval; ++ td->td_yresolution = TIFFClampDoubleToFloat( dblval ); + break; + case TIFFTAG_PLANARCONFIG: + v = (uint16) va_arg(ap, uint16_vap); +@@ -327,10 +337,10 @@ + td->td_planarconfig = (uint16) v; + break; + case TIFFTAG_XPOSITION: +- td->td_xposition = (float) va_arg(ap, double); ++ td->td_xposition = TIFFClampDoubleToFloat( va_arg(ap, double) ); + break; + case TIFFTAG_YPOSITION: +- td->td_yposition = (float) va_arg(ap, double); ++ td->td_yposition = TIFFClampDoubleToFloat( va_arg(ap, double) ); + break; + case TIFFTAG_RESOLUTIONUNIT: + v = (uint16) va_arg(ap, uint16_vap); +Index: libtiff/libtiff/tif_dirread.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v +retrieving revision 1.206 +retrieving revision 1.207 +diff -u -r1.206 -r1.207 +--- libtiff/libtiff/tif_dirread.c 11 Jan 2017 13:28:01 -0000 1.206 ++++ libtiff/libtiff/tif_dirread.c 11 Jan 2017 16:09:02 -0000 1.207 +@@ -1,4 +1,4 @@ +-/* $Id: tif_dirread.c,v 1.205 2016-12-03 11:02:15 erouault Exp $ */ ++/* $Id: tif_dirread.c,v 1.207 2017-01-11 16:09:02 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -40,6 +40,7 @@ + */ + + #include "tiffiop.h" ++#include <float.h> + + #define IGNORE 0 /* tag placeholder used below */ + #define FAILED_FII ((uint32) -1) +@@ -2406,7 +2407,14 @@ + ma=(double*)origdata; + mb=data; + for (n=0; n<count; n++) +- *mb++=(float)(*ma++); ++ { ++ double val = *ma++; ++ if( val > FLT_MAX ) ++ val = FLT_MAX; ++ else if( val < -FLT_MAX ) ++ val = -FLT_MAX; ++ *mb++=(float)val; ++ } + } + break; + } +Index: libtiff/libtiff/tif_dirwrite.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirwrite.c,v +retrieving revision 1.84 +retrieving revision 1.85 +diff -u -r1.84 -r1.85 +--- libtiff/libtiff/tif_dirwrite.c 11 Jan 2017 12:51:59 -0000 1.84 ++++ libtiff/libtiff/tif_dirwrite.c 11 Jan 2017 16:09:02 -0000 1.85 +@@ -1,4 +1,4 @@ +-/* $Id: tif_dirwrite.c,v 1.83 2016-10-25 21:35:15 erouault Exp $ */ ++/* $Id: tif_dirwrite.c,v 1.85 2017-01-11 16:09:02 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -30,6 +30,7 @@ + * Directory Write Support Routines. + */ + #include "tiffiop.h" ++#include <float.h> + + #ifdef HAVE_IEEEFP + #define TIFFCvtNativeToIEEEFloat(tif, n, fp) +@@ -939,6 +940,69 @@ + return(0); + } + ++static float TIFFClampDoubleToFloat( double val ) ++{ ++ if( val > FLT_MAX ) ++ return FLT_MAX; ++ if( val < -FLT_MAX ) ++ return -FLT_MAX; ++ return (float)val; ++} ++ ++static int8 TIFFClampDoubleToInt8( double val ) ++{ ++ if( val > 127 ) ++ return 127; ++ if( val < -128 || val != val ) ++ return -128; ++ return (int8)val; ++} ++ ++static int16 TIFFClampDoubleToInt16( double val ) ++{ ++ if( val > 32767 ) ++ return 32767; ++ if( val < -32768 || val != val ) ++ return -32768; ++ return (int16)val; ++} ++ ++static int32 TIFFClampDoubleToInt32( double val ) ++{ ++ if( val > 0x7FFFFFFF ) ++ return 0x7FFFFFFF; ++ if( val < -0x7FFFFFFF-1 || val != val ) ++ return -0x7FFFFFFF-1; ++ return (int32)val; ++} ++ ++static uint8 TIFFClampDoubleToUInt8( double val ) ++{ ++ if( val < 0 ) ++ return 0; ++ if( val > 255 || val != val ) ++ return 255; ++ return (uint8)val; ++} ++ ++static uint16 TIFFClampDoubleToUInt16( double val ) ++{ ++ if( val < 0 ) ++ return 0; ++ if( val > 65535 || val != val ) ++ return 65535; ++ return (uint16)val; ++} ++ ++static uint32 TIFFClampDoubleToUInt32( double val ) ++{ ++ if( val < 0 ) ++ return 0; ++ if( val > 0xFFFFFFFFU || val != val ) ++ return 0xFFFFFFFFU; ++ return (uint32)val; ++} ++ + static int + TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) + { +@@ -959,7 +1023,7 @@ + if (tif->tif_dir.td_bitspersample<=32) + { + for (i = 0; i < count; ++i) +- ((float*)conv)[i] = (float)value[i]; ++ ((float*)conv)[i] = TIFFClampDoubleToFloat(value[i]); + ok = TIFFWriteDirectoryTagFloatArray(tif,ndir,dir,tag,count,(float*)conv); + } + else +@@ -971,19 +1035,19 @@ + if (tif->tif_dir.td_bitspersample<=8) + { + for (i = 0; i < count; ++i) +- ((int8*)conv)[i] = (int8)value[i]; ++ ((int8*)conv)[i] = TIFFClampDoubleToInt8(value[i]); + ok = TIFFWriteDirectoryTagSbyteArray(tif,ndir,dir,tag,count,(int8*)conv); + } + else if (tif->tif_dir.td_bitspersample<=16) + { + for (i = 0; i < count; ++i) +- ((int16*)conv)[i] = (int16)value[i]; ++ ((int16*)conv)[i] = TIFFClampDoubleToInt16(value[i]); + ok = TIFFWriteDirectoryTagSshortArray(tif,ndir,dir,tag,count,(int16*)conv); + } + else + { + for (i = 0; i < count; ++i) +- ((int32*)conv)[i] = (int32)value[i]; ++ ((int32*)conv)[i] = TIFFClampDoubleToInt32(value[i]); + ok = TIFFWriteDirectoryTagSlongArray(tif,ndir,dir,tag,count,(int32*)conv); + } + break; +@@ -991,19 +1055,19 @@ + if (tif->tif_dir.td_bitspersample<=8) + { + for (i = 0; i < count; ++i) +- ((uint8*)conv)[i] = (uint8)value[i]; ++ ((uint8*)conv)[i] = TIFFClampDoubleToUInt8(value[i]); + ok = TIFFWriteDirectoryTagByteArray(tif,ndir,dir,tag,count,(uint8*)conv); + } + else if (tif->tif_dir.td_bitspersample<=16) + { + for (i = 0; i < count; ++i) +- ((uint16*)conv)[i] = (uint16)value[i]; ++ ((uint16*)conv)[i] = TIFFClampDoubleToUInt16(value[i]); + ok = TIFFWriteDirectoryTagShortArray(tif,ndir,dir,tag,count,(uint16*)conv); + } + else + { + for (i = 0; i < count; ++i) +- ((uint32*)conv)[i] = (uint32)value[i]; ++ ((uint32*)conv)[i] = TIFFClampDoubleToUInt32(value[i]); + ok = TIFFWriteDirectoryTagLongArray(tif,ndir,dir,tag,count,(uint32*)conv); + } + break; +@@ -2102,7 +2102,7 @@ + m[0]=0; + m[1]=1; + } +- else if (value==(double)(uint32)value) ++ else if (value <= 0xFFFFFFFFU && value==(double)(uint32)value) + { + m[0]=(uint32)value; + m[1]=1; +@@ -2148,12 +2217,13 @@ + } + for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++) + { +- if (*na<=0.0) ++ if (*na<=0.0 || *na != *na) + { + nb[0]=0; + nb[1]=1; + } +- else if (*na==(float)(uint32)(*na)) ++ else if (*na >= 0 && *na <= (float)0xFFFFFFFFU && ++ *na==(float)(uint32)(*na)) + { + nb[0]=(uint32)(*na); + nb[1]=1; +Index: libtiff/libtiff/tif_dirread.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v +retrieving revision 1.205 +retrieving revision 1.206 +diff -u -r1.205 -r1.206 +--- libtiff/libtiff/tif_dirread.c 3 Dec 2016 11:02:15 -0000 1.205 ++++ libtiff/libtiff/tif_dirread.c 11 Jan 2017 13:28:01 -0000 1.206 +@@ -2872,7 +2872,10 @@ + m.l = direntry->tdir_offset.toff_long8; + if (tif->tif_flags&TIFF_SWAB) + TIFFSwabArrayOfLong(m.i,2); +- if (m.i[0]==0) ++ /* Not completely sure what we should do when m.i[1]==0, but some */ ++ /* sanitizers do not like division by 0.0: */ ++ /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */ ++ if (m.i[0]==0 || m.i[1]==0) + *value=0.0; + else + *value=(double)m.i[0]/(double)m.i[1]; +@@ -2900,7 +2903,10 @@ + m.l=direntry->tdir_offset.toff_long8; + if (tif->tif_flags&TIFF_SWAB) + TIFFSwabArrayOfLong(m.i,2); +- if ((int32)m.i[0]==0) ++ /* Not completely sure what we should do when m.i[1]==0, but some */ ++ /* sanitizers do not like division by 0.0: */ ++ /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */ ++ if ((int32)m.i[0]==0 || m.i[1]==0) + *value=0.0; + else + *value=(double)((int32)m.i[0])/(double)m.i[1]; +Index: libtiff/libtiff/tif_jpeg.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_jpeg.c,v +retrieving revision 1.125 +retrieving revision 1.126 +diff -u -r1.125 -r1.126 +--- libtiff/libtiff/tif_jpeg.c 11 Jan 2017 12:15:01 -0000 1.125 ++++ libtiff/libtiff/tif_jpeg.c 11 Jan 2017 16:13:50 -0000 1.126 +@@ -1,4 +1,4 @@ +-/* $Id: tif_jpeg.c,v 1.123 2016-01-23 21:20:34 erouault Exp $ */ ++/* $Id: tif_jpeg.c,v 1.126 2017-01-11 16:13:50 erouault Exp $ */ + + /* + * Copyright (c) 1994-1997 Sam Leffler +@@ -1632,6 +1632,13 @@ + "Invalig horizontal/vertical sampling value"); + return (0); + } ++ if( td->td_bitspersample > 16 ) ++ { ++ TIFFErrorExt(tif->tif_clientdata, module, ++ "BitsPerSample %d not allowed for JPEG", ++ td->td_bitspersample); ++ return (0); ++ } + + /* + * A ReferenceBlackWhite field *must* be present since the +Index: libtiff/libtiff/tif_read.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v +retrieving revision 1.50 +retrieving revision 1.51 +diff -u -r1.50 -r1.51 +--- libtiff/libtiff/tif_read.c 2 Dec 2016 21:56:56 -0000 1.50 ++++ libtiff/libtiff/tif_read.c 11 Jan 2017 16:33:34 -0000 1.51 +@@ -420,16 +420,25 @@ + return ((tmsize_t)(-1)); + } + } else { +- tmsize_t ma,mb; ++ tmsize_t ma; + tmsize_t n; +- ma=(tmsize_t)td->td_stripoffset[strip]; +- mb=ma+size; +- if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)||(ma>tif->tif_size)) +- n=0; +- else if ((mb<ma)||(mb<size)||(mb>tif->tif_size)) +- n=tif->tif_size-ma; +- else +- n=size; ++ if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)|| ++ ((ma=(tmsize_t)td->td_stripoffset[strip])>tif->tif_size)) ++ { ++ n=0; ++ } ++ else if( ma > TIFF_TMSIZE_T_MAX - size ) ++ { ++ n=0; ++ } ++ else ++ { ++ tmsize_t mb=ma+size; ++ if (mb>tif->tif_size) ++ n=tif->tif_size-ma; ++ else ++ n=size; ++ } + if (n!=size) { + #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__)) + TIFFErrorExt(tif->tif_clientdata, module, |