CVE-2011-3652
The browser engine in Mozilla Firefox before 8.0 and Thunderbird before 8.0 does not properly allocate memory, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.
Date published : 2011-11-09
http://www.mozilla.org/security/announce/2011/mfsa2011-48.html