The AToZed IntraWeb component 8.0 and earlier for Borland Delphi and Kylix, and IntraWeb 9.0 before build (9.0.12), allows remote attackers to cause a denial of service (thread hang or CPU consumption) via a crafted HTTP request, related to the OnBeforeDispatch function in the TIWServerController object.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31685
http://www.vupen.com/english/advisories/2007/0355
http://www.securityfocus.com/bid/22185
http://www.securityfocus.com/archive/1/458121/100/0/threaded
http://www.securityfocus.com/archive/1/457947/100/0/threaded
http://www.securityfocus.com/archive/1/457758/100/0/threaded
http://secunia.com/advisories/23902