Buffer overflow in MDaemon POP server 6.0.7 and earlier allows remote authenticated users to cause a denial of service via long (1) DELE or (2) UIDL arguments.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-1521
http://www.securityfocus.com/bid/6053
http://www.iss.net/security_center/static/10488.php
http://archives.neohapsis.com/archives/bugtraq/2002-10/0382.html