What’s Vulnerable › Vulnerabilities

CVE-2020-12604

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-01 · updated 2026-06-17
• Weakness: CWE-401

Description

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: through 1.12.4; 1.13.2, 1.14.2

References

• https://github.com/envoyproxy/envoy/commits/master
• https://github.com/envoyproxy/envoy/security/advisories/GHSA-8hf8-8gvw-ggvx
• https://github.com/envoyproxy/envoy/commits/master
• https://github.com/envoyproxy/envoy/security/advisories/GHSA-8hf8-8gvw-ggvx

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