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.
{
"severity": "High",
"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:*:*:*:*:*:*:*:*"
]
}