The vulnerability of the Thunderbird email client, related to errors during the update of OpenPGP digital signatures, allows a hacker to perform a spamming attack.

The vulnerability of the Thunderbird email client is related to errors during the update of OpenPGP digital signatures. Exploiting this vulnerability could allow a remote attacker to perform a spamming attack...

evolution: specially crafted email leading to OpenPGP signatures being spoofed for arbitrary messages

GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment...