vulnerability

Gentoo Linux: CVE-2021-33193: Apache HTTPD: Multiple Vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Aug 16, 2021
Added
Aug 16, 2022
Modified
Mar 31, 2026

Description

A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.

Solutions

gentoo-linux-upgrade-app-admin-apache-toolsgentoo-linux-upgrade-www-servers-apache
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.