CVE-2012-1971
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to garbage collection after certain MethodJIT execution, and unknown other vectors.
Date published : 2012-08-29
http://www.mozilla.org/security/announce/2012/mfsa2012-57.html
http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf