SUSE alert openSUSE-SU-2026:21239-1 (python-msgpack)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:21239-1: important: Security update for python-msgpack
Date:
             
 
Wed, 08 Jul 2026 15:09:23 +0200
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<20260708130923.C5EE8FCD8@maintenance.suse.de>
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Article
openSUSE security update: security update for python-msgpack
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:21239-1
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

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves one vulnerability and has one bug fix can now be installed.

Description:

This update for python-msgpack fixes the following issue

- CVE-2026-57585: reusing an Unpacker instance after an error has been caught can lead to an
out-of-bounds read
  (bsc#1269947).


Patch instructions:

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

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-1160=1

Package List:

- openSUSE Leap 16.0:

  python313-msgpack-1.1.0-160000.3.1

References:

  * https://www.suse.com/security/cve/CVE-2026-57585.html