Red Hat Security Advisory: varnish:6 security update
HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_tus:8.4::appstream