The Mozilla Foundation has released Firefox 3.5.1 to address a vulnerability. This vulnerability is due to an error in the way the Just-in-Time (JIT) compiler returns from native functions. Exploitation of this vulnerability may allow an attacker to execute arbitrary code.
DarkFiber Consulting encourages users and administrators to review Mozilla Foundation Security Advisory 2009-41 and upgrade to Firefox 3.5.1 or apply the suggested workaround provided in the advisory. Additional information can also be found in the Vulnerability Notes Database.