The remote host is missing an update as announced via advisory SSA:2007-085-02.

https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2007-085-02

New libwpd packages are available for Slackware 10.2, 11.0, and -current to fix security issues. More details about this issue may be found in the Common Vulnerabilities and Exposures (CVE) database: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-002