Buffer overflow in Pegasus Mail 3.11 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long email message containing binary data.
Buffer overflow in Mercury Mail Transport System 4.01b allows remote attackers to execute arbitrary code via a long request to TCP port 105.
Buffer overflow in Mercury MTA POP3 server for NetWare 1.48 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long APOP command.