The remote host is missing an update to optipng announced via advisory FEDORA-2009-2100.
Apply the appropriate updates. This update can be installed with the yum update program. Use su -c 'yum update optipng' 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-2009-2100
Update Information: This update fixes an array overflow vulnerability. ChangeLog: * Wed Feb 25 2009 Till Maas - 0.6.2.1-1 - Update to new release to fix array overflow - Red Hat Bugzilla #487364
Updated on 2015-03-25