/usr/share/doc/smbclient/NEWS.Debian.gz is in smbclient 2:3.6.3-2ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/smbclient/../libwbclient0/NEWS.Debian.gz
/usr/share/doc/smbclient/../libwbclient0/NEWS.Debian.gz