/usr/lib/x86_64-linux-gnu/libcogl-pango.so.15 is in libcogl-pango15 1.16.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libcogl-pango.so.15.3.1
/usr/lib/x86_64-linux-gnu/libcogl-pango.so.15.3.1