/usr/share/doc/notmuch-mutt/NEWS.Debian.gz is in notmuch-mutt 0.17-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/notmuch-mutt/../libnotmuch3/NEWS.Debian.gz
/usr/share/doc/notmuch-mutt/../libnotmuch3/NEWS.Debian.gz