Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 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%3A17055
https://bugzilla.mozilla.org/show_bug.cgi?id=745580
https://bugzilla.mozilla.org/show_bug.cgi?id=745494
https://bugzilla.mozilla.org/show_bug.cgi?id=745254
https://bugzilla.mozilla.org/show_bug.cgi?id=723465
https://bugzilla.mozilla.org/show_bug.cgi?id=643967
http://www.mozilla.org/security/announce/2012/mfsa2012-34.html
http://www.mandriva.com/security/advisories?name=MDVSA-2012:088
http://www.debian.org/security/2012/dsa-2499
http://www.debian.org/security/2012/dsa-2489
http://www.debian.org/security/2012/dsa-2488
http://rhn.redhat.com/errata/RHSA-2012-0715.html
http://rhn.redhat.com/errata/RHSA-2012-0710.html
http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html