/usr/lib/x86_64-linux-gnu/libcpdb-libs-frontend.so is in libcpdb-libs-frontend-dev 1.1.1-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libcpdb-libs-frontend.so.0.0.0