CVE-2009-2467
Mozilla Firefox before 3.0.12 and 3.5 before 3.5.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors involving a Flash object, a slow script dialog, and the unloading of the Flash plugin, which triggers attempted use of a deleted object.
Date published : 2009-07-22
http://www.securityfocus.com/bid/35758
http://www.mozilla.org/security/announce/2009/mfsa2009-35.html