SUSE-SU-2026:20187-1: moderate: Security update for python-h2

[SLE-UPDATES]

# Security update for python-h2

Announcement ID: SUSE-SU-2026:20187-1  
Release Date: 2026-01-28T15:48:58Z  
Rating: moderate  
References:

  * bsc#1248737

  
Cross-References:

  * CVE-2025-57804

  
CVSS scores:

  * CVE-2025-57804 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2025-57804 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2025-57804 ( NVD ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP Applications 16.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-h2 fixes the following issues:

  * CVE-2025-57804: Fixed HTTP Request Smuggling due to illegal characters in
    headers (bsc#1248737)

## 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:

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-207=1

  * SUSE Linux Enterprise Server for SAP Applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-207=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (noarch)
    * python313-h2-4.2.0-160000.3.1
  * SUSE Linux Enterprise Server for SAP Applications 16.0 (noarch)
    * python313-h2-4.2.0-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-57804.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1248737

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