Web Application Vulnerabilities Runtime SCA Findings
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Envoy Proxy NULL Pointer Dereference Vulnerability - CVE-2026-47220 - Vulnerability Database
Envoy Proxy

Envoy Proxy NULL Pointer Dereference Vulnerability - CVE-2026-47220

High
Reference: CVE-2026-47220
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2026-47220
Title: Envoy Proxy NULL Pointer Dereference Vulnerability
Overview:

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3 when the REQUESTED_SERVER_NAME(X:Y) is used in log format and host related options is specified like HOST_FIRST SNI_FIRST it39s possible to crash Envoy when the specified host header is missing in the request headers. This vulnerability is fixed in 1.37.5 and 1.38.3.