/usr/lib/x86_64-linux-gnu/libmusicbrainz5cc.so.2v5 is in libmusicbrainz5cc2v5 5.1.0+git20150707-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmusicbrainz5cc.so.2v5.0.0