Security updates for Tuesday

Security updates have been issued by AlmaLinux (kernel, kernel-rt, and webkit2gtk3), Fedora (abrt and mingw-libpng), Mageia (apache and libpng), Oracle (abrt, go-toolset:rhel8, kernel, sssd, and webkit2gtk3), Red Hat (kernel and kernel-rt), SUSE (gimp, gnutls, kubevirt, virt-api-container, virt-controller-container, virt-exportproxy-container, virt-exportserver-container, virt-handler-container, virt-launcher-container, virt-libguestfs-t, and postgresql13), and Ubuntu (gnupg2, python-apt, radare2, and webkit2gtk).