Heap-based buffer overflow in Aprelium Abyss Web Server 1.1.2 and earlier allows remote attackers to execute arbitrary code via a long HTTP GET request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/12466
http://www.securityfocus.com/bid/8062
http://archives.neohapsis.com/archives/bugtraq/2003-06/0235.html