The host is installed with Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8 or SeaMonkey before 2.13 and is prone to use-after-free vulnerability. A flaw is present in the applications, which fail to properly handle nsHTMLCSSUtils::CreateCSSPropertyTxn function. Successful exploitation could allow attackers to execute arbitrar ...