This bug was fixed in the package lightdm - 1.6.0-0ubuntu4
--------------- lightdm (1.6.0-0ubuntu4) raring; urgency=low
* debian/patches/09_corrupt_xauth.patch: - Handle corrupt X authority files correctly (LP: #1234400) -- Robert Ancell <email address hidden> Tue, 08 Oct 2013 14:27:05 +1300
This bug was fixed in the package lightdm - 1.6.0-0ubuntu4
---------------
lightdm (1.6.0-0ubuntu4) raring; urgency=low
* debian/ patches/ 09_corrupt_ xauth.patch:
- Handle corrupt X authority files correctly (LP: #1234400)
-- Robert Ancell <email address hidden> Tue, 08 Oct 2013 14:27:05 +1300