SUSE-SU-2026:3539-1: important: Security update for python-ujson

SLE-UPDATES null at suse.de
Mon Aug 10 16:31:07 UTC 2026 

# Security update for python-ujson

Announcement ID: SUSE-SU-2026:3539-1  
Release Date: 2026-08-10T11:19:11Z  
Rating: important  
References:

  * bsc#1270301

  
Cross-References:

  * CVE-2026-44660

  
CVSS scores:

  * CVE-2026-44660 ( 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/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-2026-44660 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-44660 ( 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-2026-44660 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * Development Tools 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 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
  * SUSE Package Hub 15 15-SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-ujson fixes the following issue:

  * CVE-2026-44660: memory leak in `ujson.dump()` on write failure can lead to
    DoS (bsc#1270301).

## 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 Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-3539=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3539=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3539=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3539=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3539=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3539=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3539=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3539=1

  * Development Tools Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-3539=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3539=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3539=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3539=1

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
  * Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python2-ujson-debuginfo-1.35-150100.3.13.1
    * python2-ujson-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * python3-ujson-debuginfo-1.35-150100.3.13.1
    * python-ujson-debuginfo-1.35-150100.3.13.1
    * python-ujson-debugsource-1.35-150100.3.13.1
    * python3-ujson-1.35-150100.3.13.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-44660.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1270301

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