/usr/lib/x86_64-linux-gnu/libOsiCbc.so is in coinor-libcbc-dev 2.8.12-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libOsiCbc.so.3.8.12
/usr/lib/x86_64-linux-gnu/libOsiCbc.so.3.8.12