AlmaLinux alert ALSA-2026:22528 (mod_http2)

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[Announce]  [Security Advisory] ALSA-2026:22528: mod_http2 security update (Moderate)
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Wed, 03 Jun 2026 16:10:13 +0000
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<0100019e8e3fe767-5d5e7324-02e8-46be-8022-a72432ea32e4-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 10
Type: Security
Severity: Moderate
Release date: 2026-06-03

Summary:

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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/10/ALSA-2026-22528.html

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AlmaLinux Team
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