The remote host is missing an update as announced via advisory SSA:2004-161-01.

https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2004-161-01

New cvs packages that have been upgraded to cvs-1.11.17 are available for Slackware 8.1, 9.0, 9.1, and -current to fix various security issues. Sites running a CVS server should upgrade to the new CVS package right away. More details about the issues may be found in the Common Vulnerabilities and Exposures (CVE) database: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0416 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0417 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0418 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0414