The host is installed with Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, or SeaMonkey before 2.10 and is prone to use-after-free vulnerability. A flaw is present in the applications, which fail to properly document changes involving replacement or insertion of a node. Successful exploitation could allow remote at ...