/usr/lib/x86_64-linux-gnu/libmozjs-17.0.so is in libmozjs-17.0-dev 17.0.0-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmozjs-17.0.so.0
/usr/lib/x86_64-linux-gnu/libmozjs-17.0.so.0