/usr/lib/x86_64-linux-gnu/libopenvas_base.so.9 is in libopenvas9 9.0.1-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libopenvas_base.so.9.0.1
/usr/lib/x86_64-linux-gnu/libopenvas_base.so.9.0.1