If you have not disabled automatic updates, or blocked it in your firewall you will receive this update within two hours from now. You do not have to do anything.
You can manually check that your system is updated by opening the Searchdaimon administrator panel, and go to Software updates-> Software updates and click on “Check for updates”. You should then get a message stating that “Your system is up to date”.
More information about the Shellshock vulnerability in general is available at http://www.searchdaimon.com/blog/the_shellshock_vulnerability_is_fixed/ .
Manually installing this update
It is highly recommended to have automatic update running. However it is possible to install this update manually to. Do so by:
Then go to Software updates->Advanced in the admin panel and install the rpms in the order you downloaded them (1, 2 then 3).