Monkey HTTP Server before 1.5.3, when the File Descriptor Table (FDT) is enabled and custom error messages are set, allows remote attackers to cause a denial of service (file descriptor consumption) via an HTTP request that triggers an error message.
https://github.com/monkey/monkey/commit/b2d0e6f92310bb14a15aa2f8e96e1fb5379776dd
https://exchange.xforce.ibmcloud.com/vulnerabilities/95336
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-5225
http://www.securityfocus.com/bid/69279
http://secunia.com/advisories/60783
http://seclists.org/oss-sec/2014/q3/412