Mozilla Foundation Security Advisory 2011-52
Title: Code execution via NoWaiverWrapper
Announced: November 8, 2011
Products: Firefox, Thunderbird, SeaMonkey
Fixed in: Firefox 8.0
Mozilla security researcher moz_bug_r_a4 reported that an internal privilege check failed to respect the NoWaiverWrappers introduced with Firefox 4. This could result in elevated privilege being granted to web content.