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SUSE 2026 3113 1 Python Msgpack Significant Denial of Service Risk

suse
Calendar Grey July 17, 2026
Scroller Suse
SUSE provides an important security update for python-msgpack to address a critical issue that could lead to system crash.
SUSE released an important security update for python-msgpack addressing CVE-2026-57585, which involves an out-of-bounds read and potential crashing issues across various SUSE prod...

Summary

## This update for python-msgpack 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 Linux Enterprise High Performance Computing LTSS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3113=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2026-3113=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-3113=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-3113=1 * SUSE Linux Enterprise Server 15 SP6 LTSS

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important python-msgpack

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:

* Public Cloud Module 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 Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3113-1
Release Date: 2026-07-17T14:24:43Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important python-msgpack

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