vulnerability

Rocky Linux: CVE-2021-36740: varnish-6 (RLSA-2021-2988)

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Jul 14, 2021
Added
Mar 12, 2024
Modified
Aug 13, 2025

Description

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

Solutions

rocky-upgrade-varnishrocky-upgrade-varnish-develrocky-upgrade-varnish-docsrocky-upgrade-varnish-modulesrocky-upgrade-varnish-modules-debuginforocky-upgrade-varnish-modules-debugsource
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.