The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://tomcat.apache.org/security.html http://tomcat.apache.org/security-6.html http://tomcat.apache.org/security-7.html http://www.vuxml.org/freebsd/4ca26574-2a2c-11e2-99c7-00a0d181e71d.html

The following package is affected: tomcat CVE-2012-2733 java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28 does not properly restrict the request-header size, which allows remote attackers to cause a denial of service (memory consumption) via a large amount of header data.