Buffer overflow in the IMAP service of TrueNorth Internet Anywhere (IA) eMailserver 5.3.4 allows remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a long SEARCH argument.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24812
http://www.vupen.com/english/advisories/2006/0686
http://www.securityfocus.com/bid/16744
http://www.securityfocus.com/archive/1/425586/100/0/threaded