Description
In GraphicsMagick 1.4 snapshot-20190322 Q8, there is a heap-based buffer over-read in the ReadMNGImage function of coders/png.c, which allows attackers to cause a denial of service or information disclosure via an image colormap.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://sourceforge.net/p/graphicsmagick/bugs/596/ ↗
- http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/40fc71472b98 ↗
- http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/86a9295e7c83 ↗
- https://lists.debian.org/debian-lts-announce/2019/04/msg00015.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00093.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00107.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00006.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00010.html ↗
- https://usn.ubuntu.com/4207-1/ ↗
- https://www.debian.org/security/2020/dsa-4640 ↗