Omnicron Technologies OmniHTTPD Professional 2.08 and earlier allows a remote attacker to create a denial of service via a long POST URL request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/6540
https://euvd.enisa.europa.eu/vulnerability/EUVD-2001-0604
http://www.securityfocus.com/bid/2730
http://archives.neohapsis.com/archives/bugtraq/2001-05/0131.html