guix/gnu/packages/patches/graphicsmagick-CVE-2017-12937.patch
Kei Kebreau 6d7d9d9507
gnu: graphicsmagick: Fix CVE-2017-{12935,12936,12937}.
* gnu/packages/patches/graphicsmagick-CVE-2017-12935.patch,
gnu/packages/patches/graphicsmagick-CVE-2017-12936.patch,
gnu/packages/patches/graphicsmagick-CVE-2017-12937.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/imagemagick.scm (graphicsmagick)[source]: Use them.
2017-08-20 08:35:45 -04:00

28 lines
1 KiB
Diff

This patch comes from http://hg.code.sf.net/p/graphicsmagick/code/rev/95d00d55e978.
diff -ur a/coders/sun.c b/coders/sun.c
--- a/coders/sun.c 2016-05-30 13:19:54.000000000 -0400
+++ b/coders/sun.c 2017-08-18 18:00:00.191023610 -0400
@@ -1,5 +1,5 @@
/*
-% Copyright (C) 2003-2015 GraphicsMagick Group
+% Copyright (C) 2003-2017 GraphicsMagick Group
% Copyright (C) 2002 ImageMagick Studio
% Copyright 1991-1999 E. I. du Pont de Nemours and Company
%
@@ -577,6 +577,7 @@
for (bit=7; bit >= 0; bit--)
{
index=((*p) & (0x01 << bit) ? 0x01 : 0x00);
+ VerifyColormapIndex(image,index);
indexes[x+7-bit]=index;
q[x+7-bit]=image->colormap[index];
}
@@ -587,6 +588,7 @@
for (bit=7; bit >= (long) (8-(image->columns % 8)); bit--)
{
index=((*p) & (0x01 << bit) ? 0x01 : 0x00);
+ VerifyColormapIndex(image,index);
indexes[x+7-bit]=index;
q[x+7-bit]=image->colormap[index];
}