Related Vulnerabilities: CVE-2023-27488  

DescriptionA flaw was found in Envoy. This issue could allow an attacker to bypass authentication checks when ext_authz is used by crafting a malicious http header with a non-UTF8 value.A flaw was found in Envoy. This issue could allow an attacker to bypass authentication checks when ext_authz is used by crafting a malicious http header with a non-UTF8 value.

Affected Packages and Issued Red Hat Security Errata

Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.