Mozilla: Covert Content Attack on S/MIME encryption using a crafted multipart/alternative message

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird 68.1 and Thunderbird 60.9...

Cisco AsyncOS S/MIME DoS

The vulnerability of the Secure/Multipurpose Internet Mail Extensions S/MIME function in the Cisco AsyncOS operating system is related to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to cause service interruptions by sending a specially crafted...