CVE-2017-5455

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 52.1 Firefox versions prior to 53

Description The issue allows for a sandbox escape and escalation of privilege when combined with another vulnerability that results in remote code execution inside the sandboxed process. This is due to the internal feed reader APIs crossing the sandbox barrier.

Recommendations For Firefox ESR versions prior to 52.1, update to version 52.1 or later. For Firefox versions prior to 53, update to version 53 or later.