thunderbird: Crafted email message incorrectly shown as being encrypted

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted...

CVE-2025-26696

Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability affects Thunderbird 136 and Thunderbird 128.8...