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-rw-r--r--gnu/packages/patches/libtiff-null-dereference.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-null-dereference.patch b/gnu/packages/patches/libtiff-null-dereference.patch
new file mode 100644
index 0000000000..8c6345b804
--- /dev/null
+++ b/gnu/packages/patches/libtiff-null-dereference.patch
@@ -0,0 +1,42 @@
+Fix NULL pointer dereference in TIFFReadRawData():
+
+http://bugzilla.maptools.org/show_bug.cgi?id=2594
+
+
+2016-12-03 Even Rouault <even.rouault at spatialys.com>
+
+ * tools/tiffinfo.c: fix null pointer dereference in -r mode when
+ * the
+image has
+ no StripByteCount tag.
+ Reported by Agostino Sarubbo.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2594
+
+/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
+new revision: 1.1182; previous revision: 1.1181
+/cvs/maptools/cvsroot/libtiff/tools/tiffinfo.c,v <-- tools/tiffinfo.c
+new revision: 1.26; previous revision: 1.25
+
+Index: libtiff/tools/tiffinfo.c
+===================================================================
+RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffinfo.c,v
+retrieving revision 1.25
+retrieving revision 1.26
+diff -u -r1.25 -r1.26
+--- libtiff/tools/tiffinfo.c 12 Nov 2016 20:06:05 -0000 1.25
++++ libtiff/tools/tiffinfo.c 3 Dec 2016 14:18:49 -0000 1.26
+@@ -1,4 +1,4 @@
+-/* $Id: tiffinfo.c,v 1.25 2016-11-12 20:06:05 bfriesen Exp $ */
++/* $Id: tiffinfo.c,v 1.26 2016-12-03 14:18:49 erouault Exp $ */
+
+ /*
+ * Copyright (c) 1988-1997 Sam Leffler
+@@ -417,7 +417,7 @@
+ uint64* stripbc=NULL;
+
+ TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &stripbc);
+- if (nstrips > 0) {
++ if (stripbc != NULL && nstrips > 0) {
+ uint32 bufsize = (uint32) stripbc[0];
+ tdata_t buf = _TIFFmalloc(bufsize);
+ tstrip_t s;