Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.14.0. Security Fix: * Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1 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.