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Servers and applications

CVE-2024-27919

Envoy is a cloud-native, open-source edge and service proxy. In versions 1.29.0 and 1.29.1, theEnvoy HTTP/2 protocol stack is vulnerable to the flood of CONTINUATION frames. Envoy's HTTP/2 codec does not reset a request when header map limits have been exceeded. This allows an attacker to send an sequence of CONTINUATION frames without the END_HEADERS bit set causing unlimited memory…

Severity
High 7.5
Published
4 Apr 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
EnvoyServers and applications · cpe:a:envoyproxy:envoy
  • Version 1.29.0
  • Version 1.29.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-27919
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-27919