Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.11.0. Security Fix: * chromium-browser: Use after free in ANGLE * chromium-browser: Inappropriate implementation in WebRTC * Mozilla: Potential leak of redirect targets when loading scripts in a worker * Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11 For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.