/usr/share/doc/libplist-utils/changelog.Debian.gz is in libplist-utils 1.8-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libplist-utils/../libplist1/changelog.Debian.gz
/usr/share/doc/libplist-utils/../libplist1/changelog.Debian.gz