Mozilla Releases Security Updates for Firefox and Firefox ESR

Original release date: August 06, 2015

The Mozilla Foundation has released security updates to address a critical vulnerability in the built-in PDF Viewer for Firefox and Firefox ESR. Exploitation of the vulnerability may allow an attacker to read and steal sensitive local files on the victim’s computer.

Available updates include:

  • Firefox 39.0.3
  • Firefox ESR 38.1.1

US-CERT encourages users and administrators to review the Security Advisory for Firefox and Firefox ESR and apply the necessary updates.


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