Related Vulnerabilities: CVE-2022-1520  

When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B.

Severity Low

Remote Unknown

Type Unknown

Description

When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B.

AVG-2710 thunderbird 91.8.1-1 91.9-1 High Fixed

https://bugzilla.mozilla.org/show_bug.cgi?id=1745019