CVE-2012-5843
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
Date published : 2012-11-21
http://www.mozilla.org/security/announce/2012/mfsa2012-91.html