Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.14.0. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1 (CVE-2021-38493) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.