Mozilla · Firefox · CVE-2011-3664
**Name of the Vulnerable Software and Affected Versions**
Mozilla Firefox versions prior to 9.0
Thunderbird versions prior to 9.0
SeaMonkey versions prior to 2.6
**Description**
The issue arises from improper handling of certain DOM frame deletions by plugins, allowing remote attackers to cause a denial of service, resulting in an incorrect pointer dereference and application crash, or possibly having other unspecified impacts, via a crafted web site.
**Recommendations**
For Mozilla Firefox versions prior to 9.0, update to version 9.0 or later.
For Thunderbird versions prior to 9.0, update to version 9.0 or later.
For SeaMonkey versions prior to 2.6, update to version 2.6 or later.