Mozilla Firefox 3.0.7 on Windows 7 allows remote attackers to execute arbitrary code via unknown vectors related to the _moveToEdgeShift XUL tree method, which triggers garbage collection on objects that are still in use, as demonstrated by Nils during a PWN2OWN competition at CanSecWest 2009.
- http://www.h-online.com/security/Pwn2Own-2009-Safari-IE-8-and-Firefox-exploited--/news/112889
- https://bugzilla.mozilla.org/show_bug.cgi?id=484320
No PoCs found on GitHub currently.