Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a multipart/x-mixed-replace image.
lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html
secunia.com/advisories/45002
support.avaya.com/css/P8/documents/100144854
support.avaya.com/css/P8/documents/100145333
www.mandriva.com/security/advisories?name=MDVSA-2011:111
www.mozilla.org/security/announce/2011/mfsa2011-21.html
www.redhat.com/support/errata/RHSA-2011-0885.html
www.redhat.com/support/errata/RHSA-2011-0886.html
www.redhat.com/support/errata/RHSA-2011-0887.html
www.redhat.com/support/errata/RHSA-2011-0888.html
www.ubuntu.com/usn/USN-1149-1
bugzilla.mozilla.org/show_bug.cgi?id=638018
bugzilla.mozilla.org/show_bug.cgi?id=639303
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13872