CVE-2012-3989 Information

Description

Mozilla Firefox before 16.0 Thunderbird before 16.0 and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site.

Reference

http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html http://osvdb.org/86097 http://secunia.com/advisories/50856 http://secunia.com/advisories/50892 http://secunia.com/advisories/50904 http://secunia.com/advisories/50935 http://secunia.com/advisories/50984 http://www.mozilla.org/security/announce/2012/mfsa2012-80.html http://www.ubuntu.com/usn/USN-1611-1 https://bugzilla.mozilla.org/show_bug.cgi?id=783867 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A16814