Buffer overflow in the web interface for Cmail 2.4.7 allows remote attackers to cause a denial of service by sending a large user name to the user dialog running on port 8002.
Computalynx CMail 2.4 and CMail 2.3 SP2 SMTP servers are vulnerable to a buffer overflow attack in the MAIL FROM command that may allow a remote attacker to execute arbitrary code on the server.