https://bugzilla.redhat.com/show_bug.cgi?id=675786
http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.6_(released_14_Jan_2011
)
http://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.30
http://tomcat.apache.org/security-5.html#Fixed_in_Apache_Tomcat_5.5.32
http://www.vupen.com/english/advisories/2011/0376
http://www.securitytracker.com/id?1025026
http://www.securityfocus.com/bid/46174
http://www.securityfocus.com/archive/1/516209/30/90/threaded