The browser engine in Mozilla Firefox 4.x through 11.0, Thunderbird 5.0 through 11.0, and SeaMonkey before 2.9 allows remote attackers to cause a denial of service (assertion failure and memory corruption) or possibly execute arbitrary code via vectors related to jsval.h and the js::array_shift function.
secunia.com/advisories/48972
secunia.com/advisories/49047
secunia.com/advisories/49055
www.mandriva.com/security/advisories?name=MDVSA-2012:066
www.mandriva.com/security/advisories?name=MDVSA-2012:081
www.mozilla.org/security/announce/2012/mfsa2012-20.html
www.securityfocus.com/bid/53221
bugzilla.mozilla.org/show_bug.cgi?id=714616
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16771