/usr/lib/x86_64-linux-gnu/ is in krb5-multidev 1.15-1+deb9u1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/mit-krb5/libkadm5clnt.so
/usr/lib/x86_64-linux-gnu/mit-krb5/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5/
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5/gssrpc.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5/kadm-client.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5/kadm-server.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5/kdb.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5/krb5-gssapi.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5/krb5.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5-gssapi.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/mit-krb5.pc
/usr/lib/x86_64-linux-gnu/mit-krb5/libgssapi_krb5.so
/usr/lib/x86_64-linux-gnu/mit-krb5/libgssrpc.so
/usr/lib/x86_64-linux-gnu/mit-krb5/libk5crypto.so
/usr/lib/x86_64-linux-gnu/mit-krb5/libkadm5clnt_mit.so
/usr/lib/x86_64-linux-gnu/mit-krb5/libkadm5srv.so
/usr/lib/x86_64-linux-gnu/mit-krb5/libkadm5srv_mit.so
/usr/lib/x86_64-linux-gnu/mit-krb5/libkdb5.so
/usr/lib/x86_64-linux-gnu/mit-krb5/libkrb5.so
/usr/lib/x86_64-linux-gnu/mit-krb5/libkrb5support.so