Mozilla Releases Security Updates for Firefox

Last Revised

The Mozilla Foundation has released security updates to address a critical vulnerability in Firefox and Firefox ESR. Exploitation of this vulnerability may allow a remote attacker to take control of an affected system.

Available updates include:

  • Firefox 40.0.3
  • Firefox ESR 38.2.1

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

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