The JPEG 2000 codec (jp2.c) in OpenJPEG before 1.5 allows remote attackers to execute arbitrary code via a crafted palette index in a CMAP record of a JPEG image, which triggers memory corruption, aka "out-of heap-based buffer write."
https://bugzilla.redhat.com/show_bug.cgi?id=805912
http://www.securityfocus.com/bid/52654
http://technet.microsoft.com/en-us/security/msvr/msvr12-004
http://security.gentoo.org/glsa/glsa-201206-06.xml
http://openjpeg.googlecode.com/svn/branches/openjpeg-1.5/NEWS
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/083105.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082923.html