Security updates for Tuesday

([Security] Sep 4, 2018 15:14 UTC (Tue) (ris))

Security updates have been issued by openSUSE (ImageMagick, libressl, postgresql10, spice, and spice-gtk), Red Hat (collectd, kernel, Red Hat Gluster Storage, Red Hat Virtualization, RHGS WA, rhvm-appliance, and samba), and SUSE (crowbar, crowbar-core, crowbar-ha, crowbar-openstack, crowbar-ui, kernel, spice, and spice-gtk).