(Updated 1 pm EST) The security update for the GHOST issue (CVE-2015-0235) has been released for the ClearOS 6 Professional Edition and ClearOS Enterprise 5.x. The update for the Community Edition should be available in the next 12-24 hours. You can find more information about this update here.
(Update 9 pm EST) The update for the Community Edition is now hitting the mirrors.