A SECURITY UPDATE to Tunnelblick is available and recommended.
Your version cannot use the normal update procedure.Please see Updating Tunnelblick Manually.
Details of the new version are in the Release Notes
Tunnelblick (net.tunnelblick.tunnelblick) is a Mac software application that has been discovered and submitted by users of Software.com. The latest version that our users have reported running on their systems is Tunnelblick 5000. The most popular version of this application used by our users is Tunnelblick 4566.
Operating System: Mac
Default Install Path: /Applications/Tunnelblick.app