The QCMS implementation in Mozilla Firefox before 37.0 allows remote attackers to obtain sensitive information from process heap memory or cause a denial of service (out-of-bounds read) via an image that is improperly handled during transformation.
https://security.gentoo.org/glsa/201512-10
https://bugzilla.mozilla.org/show_bug.cgi?id=1132468
http://www.ubuntu.com/usn/USN-2550-1
http://www.securitytracker.com/id/1031996
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2015/mfsa2015-34.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html