Buffer overflow in the IMAP daemon (IMAP4d32.exe) for Ipswitch Collaboration Suite (ICS) before 8.15 Hotfix 1 allows remote authenticated users to execute arbitrary code via a long EXAMINE command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/19655
http://www.securityfocus.com/bid/12780
http://www.idefense.com/application/poi/display?id=216&type=vulnerabilities