/usr/share/doc/cmake-qt-gui/changelog.Debian.gz is in cmake-qt-gui 3.10.2-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/cmake-qt-gui/../cmake/changelog.Debian.gz
/usr/share/doc/cmake-qt-gui/../cmake/changelog.Debian.gz