/usr/lib/x86_64-linux-gnu/libfuse.so is in libfuse-dev 2.9.7-1+deb9u2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libfuse.so.2.9.7
/lib/x86_64-linux-gnu/libfuse.so.2.9.7