The remote host is missing an update to rubygem-actionpack announced via advisory FEDORA-2009-2149.
Apply the appropriate updates. This update can be installed with the yum update program. Use su -c 'yum update rubygem-actionpack' 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-2009-2149
Update Information: CVE-2008-5189: CGI header injection vulnerability ChangeLog: * Thu Feb 26 2009 Jeroen van Meeuwen - 2.1.1-2 - Fix CVE-2008-5189
Updated on 2015-03-25