The remote host is missing an update to the system as announced in the referenced advisory.
The following package is affected: htdig
CVE-2005-0085 Cross-site scripting (XSS) vulnerability in ht://dig (htdig) before 3.1.6-r7 allows remote attackers to execute arbitrary web script or HTML via the config parameter, which is not properly sanitized before it is displayed in an error message.
Solution: Update your system with the appropriate patches or software upgrades.