Security updates for Monday

Security updates have been issued by Debian (cups, dbus, gnutls28, graphicsmagick, libupnp, and nodejs), Fedora (gnutls, kernel, libarchive, php-phpmailer6, and sympa), openSUSE (axel, GraphicsMagick, libcroco, libreoffice, libxml2, and xawtv), Oracle (bind, firefox, freerdp, and kernel), Red Hat (bind, freerdp, and unbound), Scientific Linux (firefox), SUSE (dpdk, file-roller, firefox, gnuplot, libexif, php7, php72, slurm_20_02, and vim), and Ubuntu (gnutls28).