/usr/lib/x86_64-linux-gnu/libuchardet.so is in libuchardet-dev 0.0.1-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libuchardet.so.0
/usr/lib/x86_64-linux-gnu/libuchardet.so.0