/usr/share/doc/fusiondirectory-plugin-weblink/changelog.Debian.gz is in fusiondirectory-plugin-weblink 1.0.19-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/fusiondirectory-plugin-weblink/../fusiondirectory-smarty3-acl-render/changelog.Debian.gz