/usr/share/maven-repo/cglib/cglib/3.x/cglib-3.x.jar is in libcglib3-java 3.1+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/cglib/cglib/3.x/../../../../java/cglib3-3.1.jar