Security updates for Thursday

Security updates have been issued by Debian (python-gnupg), Mageia (avahi, dom4j, gvfs, kauth, libwmf, logback, mad, python, python-django, and radvd), openSUSE (curl, haproxy, lua53, python-slixmpp, runc, spice, and uriparser), Red Hat (flash-plugin), Slackware (mozilla), and SUSE (build and docker-runc).