/usr/share/doc/libmilter1.0.1-dbg/NEWS.Debian.gz is in libmilter1.0.1-dbg 8.14.4-2ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libmilter1.0.1-dbg/../libmilter1.0.1/NEWS.Debian.gz