SUSE python-msgpack Important Out-of-Bounds Threat Advisory 2026-3932

Keep your Linux systems secure and up to date with practical patching guidance. Review Linux Patching Best Practices ×

## 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 Enterprise Server 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3932=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3932=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3932=1

## 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 Enterprise Server 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3932=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3932=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3932=1

* 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

* 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 Server 15 SP4

* SUSE Linux Enterprise Server 15 SP4 LTSS

* SUSE Linux Enterprise Server 15 SP5

* SUSE Linux Enterprise Server 15 SP5 LTSS

Announcement ID: SUSE-SU-2026:3932-1 Release Date: 2026-09-03T07:21:03Z Rating: important

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases