Buffer overflow in the Lightweight Directory Access Protocol (LDAP) daemon (iLDAP.exe 3.9.15.10) in Ipswitch IMail Server 8.03 allows remote attackers to cause a denial of service (crash) and execute arbitrary code via an LDAP message with a large tag length.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15243
http://www.kb.cert.org/vuls/id/972334
http://www.ipswitch.com/support/imail/releases/imail_professional/im805HF2.html