Security updates for Wednesday

Security updates have been issued by Arch Linux (cantata and qutebrowser), Debian (imagemagick, php5, and redis), Fedora (cri-o and libgxps), Oracle (glibc, kernel, libvirt, samba, samba4, sssd and ding-libs, and zsh), Red Hat (ansible, dpdk, kernel, kernel-alt, kernel-rt, libvirt, pki-core, podman, qemu-kvm, and qemu-kvm-rhev), Scientific Linux (kernel, libvirt, pki-core, and qemu-kvm), SUSE (firefox, gcc43, and kernel), and Ubuntu (openssl).