CVE-2011-3659: Mozilla: child nodes from nsDOMAttribute still accessible after removal of nodes (MFSA 2012-04)

Severity: Critical

CVSS Score: 9.3

Use-after-free vulnerability in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 might allow remote attackers to execute arbitrary code via vectors related to incorrect AttributeChildRemoved notifications that affect access to removed nsDOMAttribute child nodes.