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-rw-r--r--gnu/packages/patches/libtiff-CVE-2016-5321.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2016-5321.patch b/gnu/packages/patches/libtiff-CVE-2016-5321.patch
new file mode 100644
index 0000000000..2afca18e1d
--- /dev/null
+++ b/gnu/packages/patches/libtiff-CVE-2016-5321.patch
@@ -0,0 +1,25 @@
+Fix CVE-2016-5321. 
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5321
+http://bugzilla.maptools.org/show_bug.cgi?id=2558
+
+Patch extracted from upstream CVS repo with:
+$ cvs diff -u -r1.35 -r1.36 tools/tiffcrop.c
+
+Index: tools/tiffcrop.c
+===================================================================
+RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v
+retrieving revision 1.35
+retrieving revision 1.36
+diff -u -r1.35 -r1.36
+--- libtiff/tools/tiffcrop.c	19 Aug 2015 02:31:04 -0000	1.35
++++ libtiff/tools/tiffcrop.c	11 Jul 2016 21:26:03 -0000	1.36
+@@ -989,7 +989,7 @@
+     nrow = (row + tl > imagelength) ? imagelength - row : tl;
+     for (col = 0; col < imagewidth; col += tw)
+       {
+-      for (s = 0; s < spp; s++)
++      for (s = 0; s < spp && s < MAX_SAMPLES; s++)
+         {  /* Read each plane of a tile set into srcbuffs[s] */
+ 	tbytes = TIFFReadTile(in, srcbuffs[s], col, row, 0, s);
+         if (tbytes < 0  && !ignore)