/usr/lib/x86_64-linux-gnu/libfreeimage.so is in libfreeimage-dev 3.17.0+ds1-5build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libfreeimage.so.3
/usr/lib/x86_64-linux-gnu/libfreeimage.so.3