Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 5, Thunderbird before 6, SeaMonkey 2.x before 2.3, and possibly other products allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14440
https://bugzilla.mozilla.org/show_bug.cgi?id=669584
https://bugzilla.mozilla.org/show_bug.cgi?id=668245
https://bugzilla.mozilla.org/show_bug.cgi?id=667512
https://bugzilla.mozilla.org/show_bug.cgi?id=667315
https://bugzilla.mozilla.org/show_bug.cgi?id=667092
https://bugzilla.mozilla.org/show_bug.cgi?id=665518
https://bugzilla.mozilla.org/show_bug.cgi?id=662132
https://bugzilla.mozilla.org/show_bug.cgi?id=660517
https://bugzilla.mozilla.org/show_bug.cgi?id=651030
https://bugzilla.mozilla.org/show_bug.cgi?id=650732
https://bugzilla.mozilla.org/show_bug.cgi?id=650275
https://bugzilla.mozilla.org/show_bug.cgi?id=650273
https://bugzilla.mozilla.org/show_bug.cgi?id=648206
https://bugzilla.mozilla.org/show_bug.cgi?id=646825
http://www.mozilla.org/security/announce/2011/mfsa2011-33.html
http://www.mozilla.org/security/announce/2011/mfsa2011-31.html
http://www.mozilla.org/security/announce/2011/mfsa2011-29.html
http://secunia.com/advisories/49055
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html