Summary
The remote host is missing an update as announced
via advisory SSA:2006-313-01.
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2006-313-01
Insight
New Firefox and Thunderbird packages are available for Slackware 10.2 and 11.0 to fix security issues. In addition, a new Seamonkey package is available for Slackware 11.0 to fix similar issues.
More details about the issues may be found here:
http://www.mozilla.org/projects/security/known-vulnerabilities.html#firefox http://www.mozilla.org/projects/security/known-vulnerabilities.html#thunderbird http://www.mozilla.org/projects/security/known-vulnerabilities.html#seamonkey