CVE-2022-45059: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1. A request smuggling attack can be performed on Varnish Cache servers by requesting that certain headers are made hop-by-hop, preventing the Varnish Cache servers from forwarding critical headers to the backend.

Affected products

• Fedoraproject Fedora: version 35 only; version 36 only; version 37 only
• Varnish Cache Project Varnish Cache: from 7.0.0, before 7.1.2 (fixed in 7.1.2); version 7.2.0 only

Published 2022-11-09. Last modified 2026-06-17.