The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
{ "cpes": [ "cpe:2.3:a:envoyproxy:envoy:1.24.10:*:*:*:*:*:*:*", "cpe:2.3:a:envoyproxy:envoy:1.25.9:*:*:*:*:*:*:*", "cpe:2.3:a:envoyproxy:envoy:1.26.4:*:*:*:*:*:*:*", "cpe:2.3:a:envoyproxy:envoy:1.27.0:*:*:*:*:*:*:*", "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*" ], "severity": "High" }