Mozilla Releases Security Update

National Cyber Awareness System: Mozilla Releases Security Update 06/15/2017 09:29 PM EDT Original release date: June 15, 2017 Mozilla has released a security update to address multiple vulnerabilities in Thunderbird. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. US-CERT encourages users and administrators to review the Mozilla Security Advisory for Thunderbird 52.2 and apply the necessary update.