Security updates for Friday

Security updates have been issued by Debian (apng2gif, ruby2.5, ruby2.7, and strongswan), Fedora (389-ds-base, glibc, java-latest-openjdk, keylime, mingw-python-pillow, perl-Image-ExifTool, python-pillow, rust-afterburn, rust-askalono-cli, rust-below, rust-cargo-c, rust-cargo-insta, rust-fd-find, rust-lsd, rust-oxipng, rust-python-launcher, rust-ripgrep, rust-skim, rust-thread_local, rust-tokei, strongswan, vim, xen, and zola), Mageia (cryptsetup and expat), openSUSE (containerd, docker, glibc, and xen), Oracle (firefox, thunderbird, varnish:6, and vim), Red Hat (rh-maven36-log4j12 and varnish:6), SUSE (containerd, docker, glibc, samba, and xen), and Ubuntu (gdisk, graphviz, libdbi-perl, and mysql-5.7).