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://httpd.apache.org http://www.vuxml.org/freebsd/762d1c6d-0722-11d9-b45d-000c41e2cdad.html

The following package is affected: apache CVE-2004-0786 The IPv6 URI parsing routines in the apr-util library for Apache 2.0.50 and earlier allow remote attackers to cause a denial of service (child process crash) via a certain URI, as demonstrated using the Codenomicon HTTP Test Tool.