/usr/lib/ldap/rwm-2.4.so.2 is in slapd 2.4.42+dfsg-2ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ldap/rwm-2.4.so.2.10.5
/usr/lib/ldap/rwm-2.4.so.2.10.5