Mozilla Releases Security Updates for Firefox

Original release date: July 13, 2021

Mozilla has released security updates to address vulnerabilities in Firefox and Firefox ESR. An attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review the Mozilla Security Advisory for Firefox 90 and Firefox ESR 78.12 and apply the necessary updates.

This product is provided subject to this Notification and this Privacy & Use policy.