Related Vulnerabilities: CVE-2022-38150  

A flaw was found in Varnish where a denial of service attack can be performed against Varnish Cache servers by specially formatting the reason phrase of the backend response status line. To execute an attack, the attacker needs the ability to influence the HTTP/1 responses that the Varnish Server receives from its configured backends, causing the Varnish Server to assert and automatically restart.A flaw was found in Varnish where a denial of service attack can be performed against Varnish Cache servers by specially formatting the reason phrase of the backend response status line. To execute an attack, the attacker needs the ability to influence the HTTP/1 responses that the Varnish Server receives from its configured backends, causing the Varnish Server to assert and automatically restart.

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.