SUSE alert SUSE-SU-2026:1171-1 (python-tornado)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:1171-1: important: Security update for python-tornado
Date:
             
 
Thu, 02 Apr 2026 16:30:13 -0000
Message-ID:
             
 
<177514741362.1447.14998831159267478694@c2c2e0ac4d9f>


# Security update for python-tornado

Announcement ID: SUSE-SU-2026:1171-1  
Release Date: 2026-04-02T08:57:10Z  
Rating: important  
References:

  * bsc#1254905
  * bsc#1259553
  * bsc#1259630

  
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:

  * Basesystem Module 15-SP7
  * SUSE Linux Enterprise Desktop 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 5.2
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.2
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP7
  * 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
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

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

## Description:

This update for python-tornado fixes the following issues:

  * CVE-2026-31958: parsing large multipart bodies with many parts can cause a
    denial of service (bsc#1259553).
  * incomplete validation of cookie attributes allows for injection of user-
    controlled values in other cookie attributes (bsc#1259630).

## 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 Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1171=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1171=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1171=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1171=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1171=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1171=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1171=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1171=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1171=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1171=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1171=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1171=1

  * SUSE Linux Enterprise Micro 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1171=1

  * SUSE Linux Enterprise Micro for Rancher 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1171=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1171=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1171=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1171=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1171=1

## Package List:

  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * python3-tornado-4.5.3-150000.3.19.1
    * python-tornado-debugsource-4.5.3-150000.3.19.1
    * python-tornado-debuginfo-4.5.3-150000.3.19.1
    * python3-tornado-debuginfo-4.5.3-150000.3.19.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-31958.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254905
  * https://bugzilla.suse.com/show_bug.cgi?id=1259553
  * https://bugzilla.suse.com/show_bug.cgi?id=1259630



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