/usr/lib/x86_64-linux-gnu/libxmltooling-lite.so.6 is in libxmltooling6 1.5.3-2+deb8u3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libxmltooling-lite.so.6.0.3
/usr/lib/x86_64-linux-gnu/libxmltooling-lite.so.6.0.3