Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.
{
"severity": "High",
"cpes": [
"cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
"cpe:2.3:a:envoyproxy:envoy:1.13.2:*:*:*:*:*:*:*",
"cpe:2.3:a:envoyproxy:envoy:1.14.2:*:*:*:*:*:*:*"
]
}