The remote host is missing an update to vnc announced via advisory FEDORA-2009-0991.
Apply the appropriate updates. This update can be installed with the yum update program. Use su -c 'yum update vnc' 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-2009-0991
Update Information: Update to 4.1.3 maintenance release which contains fix for CVE-2008-4770 ChangeLog: * Mon Jan 26 2009 Adam Tkac 4.1.3-1 - updated to 4.1.3 (CVE-2008-4770)
Updated on 2015-03-25