Unspecified vulnerability in the browser engine in Mozilla Firefox 3.6.x before 3.6.17 and 4.x before 4.0.1, and Thunderbird 3.1.x before 3.1.10, allows 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%3A13993
https://bugzilla.mozilla.org/show_bug.cgi?id=645289
http://www.securityfocus.com/bid/47653
http://www.mozilla.org/security/announce/2011/mfsa2011-12.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:080
http://www.mandriva.com/security/advisories?name=MDVSA-2011:079
http://www.debian.org/security/2011/dsa-2235
http://www.debian.org/security/2011/dsa-2228
http://www.debian.org/security/2011/dsa-2227
http://downloads.avaya.com/css/P8/documents/100144158
http://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_thunderbird