The remote host is missing an update as announced via advisory SSA:2005-203-01.

https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2005-203-01

New Mozilla packages are available for Slackware 10.0, 10.1, and -current to fix various security issues and bugs. See the Mozilla site for a complete list of the issues patched: http://www.mozilla.org/projects/security/known-vulnerabilities.html#Mozilla New versions of the mozilla-plugins symlink creation package are also out for Slackware 10.0 and 10.1, and a new version of the jre-symlink package for Slackware -current.