Security updates for Friday

Security updates have been issued by Debian (libexif and tomcat8), Fedora (python38), openSUSE (libxslt), Oracle (git), Red Hat (bind, freerdp, and git), Scientific Linux (git), SUSE (qemu and tomcat), and Ubuntu (apt, json-c, kernel, linux, linux-raspi2, linux-raspi2-5.3, and openssl).