Vulnerable Systems:
* Mozilla Thunderbird 8.0
* Mozilla Thunderbird 7.0.1
* Mozilla Thunderbird 7.0
* Mozilla Thunderbird 6.0.2
* Mozilla Thunderbird 6.0.1
* Mozilla Thunderbird 6.0
* Mozilla Thunderbird 5.0
* Mozilla SeaMonkey 2.5
* Mozilla SeaMonkey 2.4
* Mozilla SeaMonkey 2.3
* Mozilla SeaMonkey 2.2
* Mozilla Firefox 8.0
* Mozilla Firefox 7.0.1
* Mozilla Firefox 7.0
* Mozilla Firefox 7
* Mozilla Firefox 6.0.2
* Mozilla Firefox 6.0.1
* Mozilla Firefox 6.0
* Mozilla Firefox 6
* Mozilla Firefox 5.0.1
* Mozilla Firefox 5.0
* Mozilla Firefox 4.0.1
* Mozilla Firefox 4.0
Non-Vulnerable Systems:
* Mozilla Thunderbird 9.0
* Mozilla SeaMonkey 2.6
* Mozilla Firefox 9.0
Successful exploits may allow remote attackers to cause denial-of-service conditions. Given the nature of this issue attackers may also be able to run arbitrary code, but this has not been confirmed.
Vendor Status:
Mozilla as issued an update for this vulnerablity