realmd allows remote attackers to inject arbitrary configurations in to sssd.conf and smb.conf via a newline character in an LDAP response.
https://bugs.freedesktop.org/show_bug.cgi?id=89207
http://www.securityfocus.com/bid/73352
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157358.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155862.html