The browser engine in Mozilla Firefox 3.0.x before 3.0.18, 3.5.x before 3.5.8, and 3.6.x before 3.6.2; Thunderbird before 3.0.2; and SeaMonkey before 2.0.3 allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via vectors related to (1) layout/generic/nsBlockFrame.cpp and (2) the _evaluate function in modules/plugin/base/src/nsNPAPIPlugin.cpp.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9835
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8610
https://bugzilla.mozilla.org/show_bug.cgi?id=535641
https://bugzilla.mozilla.org/show_bug.cgi?id=534082
http://www.vupen.com/english/advisories/2010/0692
http://www.securityfocus.com/bid/38944
http://www.securityfocus.com/bid/38918
http://www.mozilla.org/security/announce/2010/mfsa2010-11.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:070