SUSE alert SUSE-SU-2026:3459-1 (python3-dulwich)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:3459-1: important: Security update for python3-dulwich
Date:
             
 
Mon, 03 Aug 2026 16:58:56 -0000
Message-ID:
             
 
<178577633639.66.8312868841221928734@438c6482d549>
# Security update for python3-dulwich

Announcement ID: SUSE-SU-2026:3459-1  
Release Date: 2026-08-03T12:08:43Z  
Rating: important  
References:

  * bsc#1271525

  
Cross-References:

  * CVE-2026-38974

  
CVSS scores:

  * CVE-2026-38974 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-38974 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

  
Affected Products:

  * Basesystem Module 15-SP7
  * openSUSE Leap 15.4
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python3-dulwich fixes the following issue

  * CVE-2026-38974: Dulwich through 1.1.0 was found to be missing SSH host key
    verification in contrib/paramiko_vendor.py (bsc#1271525).

## 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 High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3459=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3459=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3459=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3459=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3459=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-3459=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3459=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3459=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3459=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3459=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3459=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3459=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * python3-dulwich-0.20.24-150400.11.1
    * python3-dulwich-debuginfo-0.20.24-150400.11.1
    * python3-dulwich-debugsource-0.20.24-150400.11.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-38974.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1271525



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