Security updates for Wednesday

Security updates have been issued by CentOS (firefox, gegl, kernel, and thunderbird), Debian (nvidia-graphics-drivers), Fedora (btrbk and thefuck), Mageia (clamav, kernel, kernel-linus, vim, and wpa_supplicant), openSUSE (java-1_8_0-ibm, jawn, nodejs12, nodejs14, SDL2, and virglrenderer), Red Hat (gegl, gegl04, java-17-openjdk, and kernel-rt), Scientific Linux (gegl and httpd), SUSE (apache2, firefox, java-1_7_1-ibm, java-1_8_0-ibm, libvirt, nodejs12, nodejs14, openstack-monasca-agent, spark, spark-kit, zookeeper, python-Django, python-Django1, python-numpy, SDL2, and virglrenderer), and Ubuntu (byobu, clamav, and ruby2.3, ruby2.5, ruby2.7).