/usr/lib/x86_64-linux-gnu/libglade-2.0.so is in libglade2-dev 1:2.6.4-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libglade-2.0.so.0.0.7
/usr/lib/x86_64-linux-gnu/libglade-2.0.so.0.0.7