Security updates for Wednesday

Security updates have been issued by Arch Linux (subversion), Debian (apache2, firefox-esr, qemu, rssh, and spice), Fedora (lua, mingw-python-qt5, mingw-qt5-qt3d, mingw-qt5-qtactiveqt, mingw-qt5-qtbase, mingw-qt5-qtcharts, mingw-qt5-qtdeclarative, mingw-qt5-qtgraphicaleffects, mingw-qt5-qtimageformats, mingw-qt5-qtlocation, mingw-qt5-qtmultimedia, mingw-qt5-qtquickcontrols, mingw-qt5-qtscript, mingw-qt5-qtsensors, mingw-qt5-qtserialport, mingw-qt5-qtsvg, mingw-qt5-qttools, mingw-qt5-qttranslations, mingw-qt5-qtwebkit, mingw-qt5-qtwebsockets, mingw-qt5-qtwinextras, mingw-qt5-qtxmlpatterns, mingw-sip, nagios, and radvd), Oracle (bind, kernel, and systemd), Red Hat (bind, kernel, kernel-alt, kernel-rt, and systemd), Scientific Linux (bind, kernel, and systemd), Slackware (mozilla), SUSE (kernel, openssl-1_1, and subversion), and Ubuntu (openvswitch).