- CVE-2019-3823: Fixed a heap out-of-bounds read in the code handling the end-of-response for SMTP (bsc#1123378). - CVE-2019-3822: Fixed a stack based buffer overflow in the function creating an outgoing NTLM type-3 message (bsc#1123377). - CVE-2018-16890: Fixed a heap buffer out-of-bounds read in the function handling incoming NTLM type-2 messages (bsc#1123371).