SUSE-SU-2026:21993-1: important: Security update for salt

[SLE-UPDATES]

# Security update for salt

Announcement ID: SUSE-SU-2026:21993-1  
Release Date: 2026-06-03T12:58:39Z  
Rating: important  
References:

  * bsc#1254629
  * bsc#1254900
  * bsc#1257583
  * bsc#1257831
  * bsc#1259554
  * bsc#1259700

  
Cross-References:

  * CVE-2026-31958

  
CVSS scores:

  * CVE-2026-31958 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-31958 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-31958 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-31958 ( 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 6.1

  
  
An update that solves one vulnerability and has five fixes can now be installed.

## Description:

This update for salt fixes the following issues:

  * Security issues fixed:

  * CVE-2026-31958: tornado: Fixed parsing large multipart bodies with many
    parts can cause a denial of service (bsc#1259554)

  * Other updates and bugfixes:

  * Use non vendored Tornado with Python 3.11 (bsc#1257583, bsc#1259700)
  * Hardened Tornado from invalid HTTP reason phrases
  * Read full URI from ldap pillar config (bsc#1254900)
  * Fixed testsuite failures
  * Make users with backslash working for salt-ssh (bsc#1254629)
  * Fixed ansible.playbooks extra-vars quoting (bsc#1257831)
  * Fixed virtualenv call in test helper to use proper python version

## Special Instructions and Notes:

## 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 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-561=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * salt-transactional-update-3006.0-slfo.1.1_7.1
    * python311-salt-3006.0-slfo.1.1_7.1
    * salt-minion-3006.0-slfo.1.1_7.1
    * salt-3006.0-slfo.1.1_7.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-31958.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254629
  * https://bugzilla.suse.com/show_bug.cgi?id=1254900
  * https://bugzilla.suse.com/show_bug.cgi?id=1257583
  * https://bugzilla.suse.com/show_bug.cgi?id=1257831
  * https://bugzilla.suse.com/show_bug.cgi?id=1259554
  * https://bugzilla.suse.com/show_bug.cgi?id=1259700

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