/usr/share/doc/libjxgrabkey-java/CHANGELOG.txt.gz is in libjxgrabkey-java 0.3.2-9.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libjxgrabkey-java/changelog.gz
/usr/share/doc/libjxgrabkey-java/changelog.gz