The remote host is missing an update as announced via advisory SSA:2007-316-01.

https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2007-316-01

New xpdf packages are available for Slackware 9.1, 10.0, 10.1, 10.2, 11.0, 12.0, and -current. New poppler packages are available for Slackware 12.0 and -current. New koffice packages are available for Slackware 11.0, 12.0, and -current. New kdegraphics packages are available for Slackware 10.2, 11.0, 12.0, and -current. These updated packages address similar bugs which could be used to crash applications linked with poppler or that use code from xpdf through the use of a malformed PDF document. It is possible that a maliciously crafted document could cause code to be executed in the context of the user running the application processing the PDF. These advisories and CVE entries cover the bugs: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3387 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4352 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5392 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5393 http://www.kde.org/info/security/advisory-20071107-1.txt