/usr/lib/x86_64-linux-gnu/libfoma.so.0 is in libfoma0 0.9.18+r243-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libfoma.so.0.9.18
/usr/lib/x86_64-linux-gnu/libfoma.so.0.9.18