CVE-2012-1946

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions 4.x through 12.0 Mozilla Firefox ESR versions 10.x before 10.0.5 Thunderbird versions 5.0 through 12.0 Thunderbird ESR versions 10.x before 10.0.5 SeaMonkey versions prior to 2.10

Description The issue is related to a use-after-free error in the nsINode::ReplaceOrInsertBefore function. This might allow remote attackers to execute arbitrary code via document changes involving replacement or insertion of a node.

Recommendations For Mozilla Firefox versions 4.x through 12.0, update to a version after 12.0. For Mozilla Firefox ESR versions 10.x before 10.0.5, update to version 10.0.5 or later. For Thunderbird versions 5.0 through 12.0, update to a version after 12.0. For Thunderbird ESR versions 10.x before 10.0.5, update to version 10.0.5 or later. For SeaMonkey versions prior to 2.10, update to version 2.10 or later.