/usr/lib/x86_64-linux-gnu/liblcms2.so is in liblcms2-dev 2.6-3+deb8u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/liblcms2.so.2.0.6
/usr/lib/x86_64-linux-gnu/liblcms2.so.2.0.6