Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute arbitrary code via a crafted regular expression in a Proxy Auto-configuration (PAC) file.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6347
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10977
https://bugzilla.mozilla.org/show_bug.cgi?id=500644
http://www.vupen.com/english/advisories/2009/3334
http://www.mozilla.org/security/announce/2009/mfsa2009-55.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:294
http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1