Mozilla has released security updates to address a vulnerability in Firefox, Firefox ESR, and Thunderbird. An attacker could exploit this vulnerability to take control of an affected system. This vulnerability was detected in exploits in the wild.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Mozilla Security Advisories for Firefox 72.0.1 and Firefox ESR 68.4.1 and Thunderbird 68.4.1 and apply the necessary updates.