Description
If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.
Solution(s)
amazon-linux-ami-2-upgrade-thunderbird amazon-linux-ami-2-upgrade-thunderbird-debuginfo
Referenceshttps://attackerkb.com/topics/cve-2021-29957 AL2/ALAS-2021-1681 CVE - 2021-29957