CVE-2015-4492

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions prior to 40.0 Mozilla Firefox ESR versions prior to 38.2

Description A use-after-free issue in the XMLHttpRequest::Open implementation might allow remote attackers to execute arbitrary code via a SharedWorker object that makes recursive calls to the open method of an XMLHttpRequest object. This could potentially lead to the execution of arbitrary code.

Recommendations For Mozilla Firefox versions prior to 40.0, update to version 40.0 or later. For Mozilla Firefox ESR versions prior to 38.2, update to version 38.2 or later.