Security updates for Thursday

Security updates have been issued by CentOS (kernel and microcode_ctl), Debian (roundcube), Mageia (coturn, cups, libarchive, libvirt, libzypp, nghttp2, nrpe, openconnect, perl, python-typed-ast, ruby-rack, ruby-RubyGems, sudo, vino, wpa_supplicant, and xawtv), openSUSE (firefox, gnutls, GraphicsMagick, ucode-intel, and xawtv), Oracle (dotnet3.1 and kernel), Red Hat (curl, expat, file, gettext, kernel, kpatch-patch, libexif, pcs, python, tomcat, tomcat6, and unzip), Scientific Linux (kernel and microcode_ctl), SUSE (kernel), and Ubuntu (intel-microcode and sqlite3).