|Description||Heap-based buffer overflow in the WPG format reader in GraphicsMagick 1.3.25 and earlier allows remote attackers to have unspecified impact via a colormap with a large number of entries.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)|
|NVD severity||high (attack range: remote)|
Vulnerable and fixed packages
The table below lists information on source packages.
|stretch (security), stretch||1.3.30+hg15796-1~deb9u2||fixed|
The information below is based on the following data on fixed versions.
The patch addressing CVE-2016-7996 applied is in 1.3.25-4, but in
the experimental upload 1.3.20-4 and later uploaded to unstable as
1.3.21-2 the build is done with --with-quantum-depth=16 switching
away from the default with QuantumDepth=8
patch for this and CVE-2016-7997 at: http://openwall.com/lists/oss-security/2016/10/07/4