Mozilla Firefox/SeaMonkey OBJECT 'mObserverList' Use-After-Free Remote Code Execution Vulnerability
Mozilla Firefox and SeaMonkey are prone to a remote code-execution vulnerability because of a use-after-free error.
An attacker can exploit this issue by enticing an unsuspecting user into viewing malicious content. A successful exploit will result in the execution of arbitrary attacker-supplied code in the context of the user running the affected application. Failed exploit attempts will likely result in denial-of-service conditions.
This issue is fixed in:
NOTE: This issue was previously discussed in BID 47635 (Mozilla Firefox/Thunderbird/SeaMonkey MFSA 2011-12 through -18 Multiple Vulnerabilities) but has been moved to its own record to better document it.