Buffer overflow in the WriteToLog function for JRun 3.0 through 4.0 web server connectors, such as (1) mod_jrun and (2) mod_jrun20 for Apache, with verbose logging enabled, allows remote attackers to execute arbitrary code via a long HTTP header Content-Type field or other fields.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17485
http://www.securityfocus.com/bid/11245
http://www.securityfocus.com/archive/1/377194
http://www.macromedia.com/devnet/security/security_zone/mpsb04-09.html
http://www.macromedia.com/devnet/security/security_zone/mpsb04-08.html