The remote host is missing an update as announced via advisory SSA:2005-121-02.

https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2005-121-02

New xine-lib packages are available for Slackware 10.0, 10.1, and -current to fix security issues. The xine frontends have also been upgraded. For more details on the xine-lib security issues, see: http://xinehq.de/index.php/security/XSA-2004-8