Original release date: February 8, 2021Mozilla has released security updates addressing a vulnerability affecting Firefox and Firefox ESR. An attacker can take advantage of this vulnerability to take control of an affected system.  

CISA encourages users and administrators to review the Mozilla security advisory for Firefox 85.0.1 and Firefox ESR 78.7.1 and apply the necessary updates.  

This product is provided subject to this Notification and this Privacy & Use policy.Original release date: February 8, 2021

Mozilla has released security updates addressing a vulnerability affecting Firefox and Firefox ESR. An attacker can take advantage of this vulnerability to take control of an affected system.  

CISA encourages users and administrators to review the Mozilla security advisory for Firefox 85.0.1 and Firefox ESR 78.7.1 and apply the necessary updates.