Mozilla Releases Security Updates for Firefox and Thunderbird

Original release date: December 02, 2014

The Mozilla Foundation has released security updates to address multiple vulnerabilities in Firefox and Thunderbird. Exploitation of these vulnerabilities may allow an attacker to obtain sensitive information, cause a denial of service, or exploit a buffer overflow on an affected browser.

Updates available include:

  • Firefox 34
  • Firefox ESR 31.3
  • Thunderbird 31.3

US-CERT encourages users and administrators to review Mozilla’s Security Updates and apply the necessary updates.


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