Buffer overflow in the POP 3 (POP3) service in MailEnable Standard Edition before 1.93, Professional Edition before 1.73, and Enterprise Edition before 1.21 allows remote attackers to execute arbitrary code via unknown vectors before authentication.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25314
http://www.vupen.com/english/advisories/2006/1006
http://www.securityfocus.com/bid/17162
http://www.mailenable.com/standardhistory.asp
http://www.mailenable.com/professionalhistory.asp
http://www.mailenable.com/enterprisehistory.asp
http://securitytracker.com/id?1015797
http://secunia.com/advisories/19288
http://archives.neohapsis.com/archives/fulldisclosure/2006-03/1359.html