FTP Serv-U 2.5e allows remote attackers to cause a denial of service by sending a large number of null bytes.
Denial of service in MDaemon WorldClient and WebConfig services via a long URL.
Denial of service in MDaemon 2.7 via a large number of connection attempts.
Buffer overflow in Serv-U FTP 2.5 allows remote users to conduct a denial of service via the SITE command.