The remote host is missing an update as announced via advisory SSA:2006-230-01.

https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2006-230-01

New libtiff packages are available for Slackware 9.0, 9.1, 10.0, 10.1, 10.2, and -current to fix security issues. These issues could be used to crash programs linked to libtiff or possibly to execute code as the program's user. Thanks to Tavis Ormandy and the Google Security Team. 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-2006-3459 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3460 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3461 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3462 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3463 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3464 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3465