cPanel & WHM software version 11.40 has now reached End of Life.
In accordance with their EOL policy [http://go.cpanel.net/longtermsupport], 11.40 will continue functioning on servers. The last release of cPanel & WHM 11.40, 18.104.22.168, will remain on their mirrors indefinitely. However, no further updates, such as security fixes and installations, will be provided for 11.40. Older releases of cPanel & WHM 11.40 will be removed from their mirrors.
cPanel & WHM 11.42 is set to reach End of Life at the end of January 2015.
They recommend that all customers migrate any existing installations of cPanel & WHM 11.42 to a newer version (either 11.44 or 11.46).
If your server setup complicates the process of migrating to a newer version of cPanel & WHM (an upgrade blocker list is available at http://go.cpanel.net/blockers), then cPanel is here to help you. Simply open a support ticket at https://tickets.cpanel.net/submit so that their knowledgeable support team can provide recommendations, migration assistance, and more.