CVE-2012-3994 (enterprise_linux_desktop, enterprise_linux_eus, enterprise_linux_server, enterprise_linux_workstation, firefox, firefox_esr, linux_enterprise_desktop, linux_enterprise_sdk, linux_enterprise_server, seamonkey, thunderbird, thunderbird_esr, ubuntu_linux)

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, and SeaMonkey before 2.13 allow remote attackers to conduct cross-site scripting (XSS) attacks via a binary plugin that uses Object.defineProperty to shadow the top object, and leverages the relationship between top.location and the location property.