Security updates for Thursday

Security updates have been issued by Debian (firefox-esr, libwebp, ruby-loofah, and ruby-rails-html-sanitizer), Fedora (open-vm-tools and salt), Oracle (.NET 7.0, dmidecode, flac, gcc, httpd:2.4, keylime, libcap, librsvg2, and qemu-kvm), Red Hat (.NET 6.0 and.NET 7.0), Slackware (libarchive and mozilla), SUSE (chromium and kernel), and Ubuntu (curl, firefox, ghostscript, open-vm-tools, postgresql-9.5, and thunderbird).