CVE-2020-12604: Envoyproxy Envoy

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

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.

Affected products

• Envoyproxy Envoy: up to and including 1.12.4; version 1.13.2 only; version 1.14.2 only

Published 2020-07-01. Last modified 2026-06-17.