/usr/share/doc/hexbox/changelog.Debian.gz is in hexbox 1.5.0-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/hexbox/../libhexbox1.5-cil/changelog.Debian.gz
/usr/share/doc/hexbox/../libhexbox1.5-cil/changelog.Debian.gz