The remote host is missing an update as announced via advisory SSA:2009-033-01.

https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2009-033-01

New xdg-utils packages are available for Slackware 12.2 and -current to fix security issues. Applications that use /etc/mailcap could be tricked into running an arbitrary script through xdg-open, and a separate flaw in xdg-open could allow the execution of arbitrary commands embedded in untrusted input provided to xdg-open. 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-2009-0068 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0386