The OpenPGP specification allows a Cipher Feedback Mode (CFB) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL. NOTE: third parties report that this is a problem in applications that mishandle the Modification Detection Code (MDC) feature or accept an obsolet...
5.9CVSS
5.7AI Score
0.008EPSS
The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.
5.9CVSS
5.6AI Score
0.005EPSS
MailMate before 1.11.3 mishandles a suspicious HTML/MIME structure in a signed/encrypted email.
7.5CVSS
7.9AI Score
0.006EPSS
MailMate before 1.11 automatically imported S/MIME certificates and thereby silently replaced existing ones. This allowed a man-in-the-middle attacker to obtain an email-validated S/MIME certificate from a trusted CA and replace the public key of the entity to be impersonated. This enabled the atta...
5.9CVSS
5.4AI Score
0.001EPSS