CVE-2016-5274

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions prior to 49.0 Firefox ESR 45.x versions prior to 45.4 Thunderbird versions prior to 45.4

Description The issue is related to a use-after-free vulnerability in the nsFrameManager::CaptureFrameState function. This vulnerability can be exploited by remote attackers to execute arbitrary code, leveraging improper interaction between restyling and the Web Animations model implementation.

Recommendations For Mozilla Firefox versions prior to 49.0, update to version 49.0 or later. For Firefox ESR 45.x versions prior to 45.4, update to version 45.4 or later. For Thunderbird versions prior to 45.4, update to version 45.4 or later.