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SUSE Micro 6.0 python-msgpack Important Out-Of-Bounds CVE-2026-57585

suse
Calendar Grey July 22, 2026
Scroller Suse
An important security update for python-msgpack addresses an out-of-bounds read vulnerability in SUSE systems.
A security update for python-msgpack addresses a vulnerability (CVE-2026-57585) in SUSE Linux Micro 6.0, resolving an out-of-bounds read issue due to instance reuse after errors.

Summary

## 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 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 Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-787=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64) * python-msgpack-debugsource-1.0.5-2.1 * python311-msgpack-1.0.5-2.1 * python311-msgpack-debuginfo-1.0.5-2.1

Topics%20covered

Topics Covered

security advisory SuSE important out-of-bounds python-msgpack CVE-2026-57585

References

* bsc#1269947

Cross-

* 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 Micro 6.0

An update that solves one vulnerability can now be installed.

##

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

* https://bugzilla.suse.com/show_bug.cgi?id=1269947

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22704-1
Release Date: 2026-07-08T10:56:09Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important out-of-bounds python-msgpack CVE-2026-57585

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