Small HTTP Server 2.03 and earlier allows remote attackers to cause a denial of service by repeatedly requesting a URL that references a directory that does not contain an index.html file, which consumes memory that is not released after the request is completed.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5524
https://euvd.enisa.europa.eu/vulnerability/EUVD-2000-0884
http://www.securityfocus.com/bid/1941