The remote host is missing an update to thunderbird announced via advisory FEDORA-2009-8535.

Apply the appropriate updates. This update can be installed with the yum update program. Use su -c 'yum update thunderbird' at the command line. For more information, refer to Managing Software with yum, available at http://docs.fedoraproject.org/yum/. https://secure1.securityspace.com/smysecure/catid.html?in=FEDORA-2009-8535

Update Information: Update to upstream version 3.0 Beta3. It includes security fixes recently fixed in stable Thunderbird 2.x and Firefox/Gecko security fixes: http://www.mozilla.org/security/known-vulnerabilities/thunderbird20.html http://www.mozilla.org/security/known-vulnerabilities/firefox30.html ChangeLog: * Thu Jul 16 2009 Jan Horak - 3.0-2.6 - Rebuild for update * Thu Jul 16 2009 Jan Horak - 3.0-2.5 - Update to 3.0 beta3