Mozilla Foundation Security Advisory 2010-27
Use-after-free error in nsCycleCollector::MarkRoots()
- June 22, 2010
- Firefox, SeaMonkey
- Fixed in
- Firefox 3.5.10
- SeaMonkey 2.0.5
Security researcher wushi of team509 reported that the frame construction process for certain types of menus could result in a menu containing a pointer to a previously freed menu item. During the cycle collection process, this freed item could be accessed, resulting in the execution of a section of code potentially controlled by an attacker.