Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.11.0.
Security Fix(es):
Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)
Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956)
Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957)
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.