SUSE-SU-2026:3297-1: important: Security update for python-msgpack-python

[SLE-UPDATES]

# Security update for python-msgpack-python

Announcement ID: SUSE-SU-2026:3297-1  
Release Date: 2026-07-27T16:47:55Z  
Rating: important  
References:

  * bsc#1269947

  
Cross-References:

  * CVE-2026-57585

  
CVSS scores:

  * CVE-2026-57585 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-57585 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Desktop 12
  * SUSE Linux Enterprise Desktop 12 SP1
  * SUSE Linux Enterprise Desktop 12 SP2
  * SUSE Linux Enterprise Desktop 12 SP3
  * SUSE Linux Enterprise Desktop 12 SP4
  * SUSE Linux Enterprise High Performance Computing 12 SP2
  * SUSE Linux Enterprise High Performance Computing 12 SP3
  * SUSE Linux Enterprise High Performance Computing 12 SP4
  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12
  * SUSE Linux Enterprise Server 12 SP1
  * SUSE Linux Enterprise Server 12 SP2
  * SUSE Linux Enterprise Server 12 SP3
  * SUSE Linux Enterprise Server 12 SP4
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12
  * SUSE Linux Enterprise Server for SAP Applications 12 SP1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP2
  * SUSE Linux Enterprise Server for SAP Applications 12 SP3
  * SUSE Linux Enterprise Server for SAP Applications 12 SP4
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Server for the Raspberry Pi 12-SP2
  * SUSE Manager Client Tools for SLE 12

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-msgpack-python fixes the following issue:

  * CVE-2026-57585: `Unpacker` reuse after a caught error can lead to an out-of-
    bounds read and a crash (bsc#1269947).

## 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 Manager Client Tools for SLE 12  
    zypper in -t patch SUSE-SLE-Manager-Tools-12-2026-3297=1

## Package List:

  * SUSE Manager Client Tools for SLE 12 (aarch64 ppc64le s390x x86_64)
    * python-msgpack-python-0.4.6-8.8.1
    * python-msgpack-python-debugsource-0.4.6-8.8.1
    * python3-msgpack-python-0.4.6-8.8.1
    * python-msgpack-python-debuginfo-0.4.6-8.8.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-57585.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1269947

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