Security updates for Friday

Security updates have been issued by CentOS (git, java-1.7.0-openjdk, java-1.8.0-openjdk, java-11-openjdk, python-twisted-web, and thunderbird), Debian (dom4j, miniupnpc, otrs2, pound, ruby2.1, vlc, w3m, and yodl), Fedora (git, java-latest-openjdk, mingw-libxml2, php-horde-horde, pxz, sqliteodbc, and xen), Gentoo (cacti, django, fontforge, and libu2f-host), openSUSE (cacti, cacti-spine, chromium, python-typed-ast, and salt), Red Hat (gnutls and kernel), SUSE (kernel), and Ubuntu (edk2).