The SMTP service in MailEnable Enterprise 1.04 and earlier and Professional 1.54 and earlier allows remote attackers to cause a denial of service (server crash) via an EHLO command with a Unicode string.
marc.info/?l=bugtraq&m=111273637518494&w=2
secunia.com/advisories/14812
securitytracker.com/id?1013637
www.mailenable.com/hotfix/
www.osvdb.org/15232
www.securiteam.com/windowsntfocus/5HP031PFFG.html
www.securityfocus.com/bid/12994
exchange.xforce.ibmcloud.com/vulnerabilities/19948
exchange.xforce.ibmcloud.com/vulnerabilities/19973