guix-play/gnu/packages/patches/libwmf-CAN-2004-0941.patch
Mark H Weaver f956d661ad gnu: libwmf: Add fixes for several security flaws.
* gnu/packages/patches/libwmf-CAN-2004-0941.patch,
  gnu/packages/patches/libwmf-CVE-2007-0455.patch,
  gnu/packages/patches/libwmf-CVE-2007-2756.patch,
  gnu/packages/patches/libwmf-CVE-2007-3472.patch,
  gnu/packages/patches/libwmf-CVE-2007-3473.patch,
  gnu/packages/patches/libwmf-CVE-2007-3477.patch,
  gnu/packages/patches/libwmf-CVE-2009-3546.patch: New files.
* gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch: Delete
  file.  Replace with ...
* gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch,
  gnu/packages/patches/libwmf-CVE-2015-4695.patch,
  gnu/packages/patches/libwmf-CVE-2015-4696.patch: ... these new files.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/image.scm (libwmf)[source]: Adjust set of patches.
2015-10-08 10:46:30 -04:00

22 lines
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Diff

Copied from Fedora.
http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CAN-2004-0941.patch
--- libwmf-0.2.8.4/src/extra/gd/gd_png.c 2004-11-11 14:02:37.407589824 -0500
+++ libwmf-0.2.8.4/src/extra/gd/gd_png.c 2004-11-11 14:04:29.672522960 -0500
@@ -188,6 +188,14 @@
png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
&interlace_type, NULL, NULL);
+ if (overflow2(sizeof (int), width))
+ {
+ return NULL;
+ }
+ if (overflow2(sizeof (int) * width, height))
+ {
+ return NULL;
+ }
if ((color_type == PNG_COLOR_TYPE_RGB) ||
(color_type == PNG_COLOR_TYPE_RGB_ALPHA))
{