RockLiffe MailSite HTTP Mail management agent (httpma) 7.0.3.1 allows remote attackers to cause a denial of service (CPU consumption and crash) via a malformed query string containing special characters such as "|".
https://exchange.xforce.ibmcloud.com/vulnerabilities/24255
http://www.vupen.com/english/advisories/2006/0284
http://www.securityfocus.com/bid/16331