The Mozilla Foundation has release security updates to address multiple vulnerabilities in Firefox, Firefox ESR and Firefox OS. These updates address vulnerabilities that could allow an attacker to take control of an affected system.
The following updates are available:
(a) Firefox 40
(b) Firefox ESR 38.2
(c) Firefox OS 2.2
Users and administrators are encouraged to review the Security Advisories released and apply the necessary updates.
For more information please review Security Advisories for Firefox, Firefox ESR and Firefox OS.