The ReadPCXImage function in coders/pcx.c in GraphicsMagick 1.3.25 allows remote attackers to have unspecified impact via a crafted image, which triggers a memory allocation failure and a "file truncation error for corrupt file."
https://bugzilla.redhat.com/show_bug.cgi?id=1385583
http://www.securityfocus.com/bid/93600
http://www.openwall.com/lists/oss-security/2016/10/16/7
http://www.debian.org/security/2016/dsa-3746
http://lists.opensuse.org/opensuse-updates/2016-10/msg00094.html
http://hg.code.sf.net/p/graphicsmagick/code/rev/b9edafd479b9