Skip to content
CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2023-27491

Envoy forwards invalid Http2/Http3 downstream headers

Description

Envoy is an open source edge and service proxy designed for cloud-native applications. Compliant HTTP/1 service should reject malformed request lines. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, There is a possibility that non compliant HTTP/1 service may allow malformed requests, potentially leading to a bypass of security policies. This issue is fixed in versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

envoyproxy envoy

  • >= 1.25.0, < 1.25.3affected
  • >= 1.24.0, < 1.24.4affected
  • >= 1.23.0, < 1.23.6affected
  • < 1.22.9affected

References