apt-cache policy bash
bash:
  Installed: 4.3-7ubuntu1
  Candidate: 4.3-7ubuntu1
  Version table:
 *** 4.3-7ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     4.3-6ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages