ALSA-2026:22551

ALSA-2026:22551 · Moderate: mod_http2 security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers. Security Fix(es): * httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fix available

Published

2026-06-02T00:00:00Z

Updated

2026-06-04T11:15:15.180147880Z

Stack: system

Check your server →