Macromedia ColdFusion MX before 6.1 does not restrict the size of error messages, which allows remote attackers to cause a denial of service (memory consumption and crash) by sending repeated GET or POST requests that trigger error messages that use long strings of data.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15895
http://archives.neohapsis.com/archives/bugtraq/2004-04/0184.html