SUSE-SU-2026:3972-1: moderate: Security update for python-h2

[SLE-SECURITY-UPDATES]

# Security update for python-h2

Announcement ID: SUSE-SU-2026:3972-1  
Release Date: 2026-09-04T08:20:45Z  
Rating: moderate  
References:

  * bsc#1274386

  
Cross-References:

  * CVE-2026-71554

  
CVSS scores:

  * CVE-2026-71554 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-71554 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

  
Affected Products:

  * Server Applications Module 15-SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-h2 fixes the following issue:

  * CVE-2026-71554: duplicate `Host` headers are accepted and forwarded to
    consuming applications, which can lead to request smuggling (bsc#1274386).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * Server Applications Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-3972=1

## Package List:

  * Server Applications Module 15-SP7 (noarch)
    * python3-h2-3.2.0-150200.3.8.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-71554.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1274386

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20260904/39e577be/attachment-0001.htm>