Mozilla Foundation Security Advisory 2009-49
Title: TreeColumns dangling pointer vulnerability
Impact: Critical
Announced: September 9, 2009
Reporter: TippingPoint ZDI
Products: Firefox
Fixed in: Firefox 3.5.3
Firefox 3.0.14
Description
An anonymous security researcher, via TippingPoint's Zero Day Initiative, reported that the columns of a XUL tree element could be manipulated in a particular way which would leave a pointer owned by the column pointing to freed memory. An attacker could potentially use this vulnerability to crash a victim's browser and run arbitrary code on the victim's computer.
References
* https://bugzilla.mozilla.org/show_bug.cgi?id=506871
* CVE-2009-3077