/usr/share/doc/cdcd-dbg/changelog.Debian.gz is in cdcd-dbg 0.6.6-13.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/cdcd-dbg/../cdcd/changelog.Debian.gz
/usr/share/doc/cdcd-dbg/../cdcd/changelog.Debian.gz