CVE-2026-47207 Envoy crashes if multiple unexpected ext_proc responses are packed into one gRPC message

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, Envoy crashes if an extproc server sends a single gRPC message containing multiple, specially crafted ProcessingResponse messages. This can occur when the...

PT-2026-52883

Name of the Vulnerable Software and Affected Versions Envoy versions 1.34.0 through 1.35.12 Envoy versions 1.36.0 through 1.36.8 Envoy versions 1.37.0 through 1.37.4 Envoy versions 1.38.0 through 1.38.2 Description Envoy crashes when an ext proc server sends a single gRPC message containing...

Envoy 安全漏洞

Envoy is an Enphase open source gateway program for connecting smart home devices. A security vulnerability exists in Envoy versions prior to 1.33.1, prior to 1.32.4, prior to 1.31.6, and prior to 1.30.10, which stems from a lifecycle issue in the extproc HTTP filter that could cause a crash...