CVE-2024-30156

High severity, CVSS 7.5. EPSS: 3.7% chance of exploitation in the next 30 days.

Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 (and before 6.0.13 LTS), and Varnish Enterprise 6 before 6.0.12r6, allows credits exhaustion for an HTTP/2 connection control flow window, aka a Broke Window Attack.

Published 2024-03-24. Last modified 2026-06-17.