CVE-2008-0944
Ipswitch Instant Messaging (IM) 2.0.8.1 and earlier allows remote attackers to cause a denial of service (NULL dereference and application crash) via a version field containing zero.
Date published : 2008-02-25
http://www.securityfocus.com/bid/27677
http://www.securityfocus.com/archive/1/487748/100/200/threaded