YARR, as used in Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted JavaScript.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14424
https://exchange.xforce.ibmcloud.com/vulnerabilities/71909
https://bugzilla.mozilla.org/show_bug.cgi?id=691299
http://www.securitytracker.com/id?1026447
http://www.securitytracker.com/id?1026446
http://www.securitytracker.com/id?1026445
http://www.mozilla.org/security/announce/2011/mfsa2011-54.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:192
http://secunia.com/advisories/49055
http://secunia.com/advisories/47334
http://secunia.com/advisories/47302
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00001.html