Original release date: December 2, 2020Mozilla has released a security update to address a vulnerability in Thunderbird. An attacker could exploit this vulnerability to take control of an affected system.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Mozilla Security Advisory for Thunderbird 78.5.1 and apply the necessary update.

This product is provided subject to this Notification and this Privacy & Use policy.Original release date: December 2, 2020

Mozilla has released a security update to address a vulnerability in Thunderbird. An attacker could exploit this vulnerability to take control of an affected system.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Mozilla Security Advisory for Thunderbird 78.5.1 and apply the necessary update.