The remote host is missing an update to wordpress-mu announced via advisory FEDORA-2009-11292.
Apply the appropriate updates. This update can be installed with the yum update program. Use su -c 'yum update wordpress-mu' 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-2009-11292
Update Information: Security and bugfix updates based upon the WordPress 2.8.5 release ChangeLog: * Fri Nov 6 2009 Bret McMillan - 22.214.171.124-1 - Update to version 126.96.36.199 for security fixes
Updated on 2015-03-25