AlmaLinux alert ALSA-2026:25057 (mod_http2)

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[Announce]  [Security Advisory] ALSA-2026:25057: mod_http2 security update (Important)
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Thu, 11 Jun 2026 16:17:12 +0000
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<0100019eb7792c04-7ed5cdcd-c80e-4b12-972d-d03cfd69cff8-000000@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: 9
Type: Security
Severity: Important
Release date: 2026-06-11

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: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack
(CVE-2026-49975)


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/9/ALSA-2026-25057.html

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AlmaLinux Team
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