SUSE-SU-2025:02355-1: important: Security update for libxml2

SLE-UPDATES null at suse.de
Thu Jul 17 16:30:22 UTC 2025 


# Security update for libxml2

Announcement ID: SUSE-SU-2025:02355-1  
Release Date: 2025-07-17T13:02:50Z  
Rating: important  
References:

  * bsc#1244554
  * bsc#1244557
  * bsc#1244590
  * bsc#1244700

  
Cross-References:

  * CVE-2025-49794
  * CVE-2025-49796
  * CVE-2025-6021
  * CVE-2025-6170

  
CVSS scores:

  * CVE-2025-49794 ( SUSE ):  8.8
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-49794 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2025-49794 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
  * CVE-2025-49796 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2025-49796 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
  * CVE-2025-6021 ( 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-2025-6021 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-6021 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-6170 ( SUSE ):  2.0
    CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-6170 ( SUSE ):  4.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
  * CVE-2025-6170 ( NVD ):  2.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for libxml2 fixes the following issues:

  * CVE-2025-49794: Fixed a heap use after free which could lead to denial of
    service. (bsc#1244554)
  * CVE-2025-49796: Fixed type confusion which could lead to denial of service.
    (bsc#1244557)
  * CVE-2025-6170: Fixed a stack buffer overflow which could lead to a crash.
    (bsc#1244700)
  * CVE-2025-6021: Fixed an integer overflow in xmlBuildQName() which could lead
    to stack buffer overflow. (bsc#1244590)

## 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:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2025-2355=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2025-2355=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2025-2355=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2025-2355=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2025-2355=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-2355=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-2355=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-2355=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2025-2355=1

  * SUSE Manager Proxy 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-2025-2355=1

  * SUSE Manager Retail Branch Server 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-
Server-4.3-2025-2355=1

  * SUSE Manager Server 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.3-2025-2355=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-python-debugsource-2.9.14-150400.5.44.1
    * python311-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * python311-libxml2-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * openSUSE Leap 15.4 (x86_64)
    * libxml2-2-32bit-2.9.14-150400.5.44.1
    * libxml2-2-32bit-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-32bit-2.9.14-150400.5.44.1
  * openSUSE Leap 15.4 (noarch)
    * libxml2-doc-2.9.14-150400.5.44.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * libxml2-devel-64bit-2.9.14-150400.5.44.1
    * libxml2-2-64bit-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-64bit-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-python-debugsource-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-python-debugsource-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-python-debugsource-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-python-debugsource-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * python311-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * python311-libxml2-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
    * libxml2-2-32bit-2.9.14-150400.5.44.1
    * libxml2-2-32bit-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * python311-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * python311-libxml2-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
    * libxml2-2-32bit-2.9.14-150400.5.44.1
    * libxml2-2-32bit-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * python311-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * python311-libxml2-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
    * libxml2-2-32bit-2.9.14-150400.5.44.1
    * libxml2-2-32bit-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * python311-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * python311-libxml2-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
    * libxml2-2-32bit-2.9.14-150400.5.44.1
    * libxml2-2-32bit-debuginfo-2.9.14-150400.5.44.1
  * SUSE Manager Proxy 4.3 (x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-32bit-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-32bit-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Manager Retail Branch Server 4.3 (x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-32bit-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-32bit-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Manager Server 4.3 (ppc64le s390x x86_64)
    * python3-libxml2-debuginfo-2.9.14-150400.5.44.1
    * libxml2-devel-2.9.14-150400.5.44.1
    * libxml2-tools-2.9.14-150400.5.44.1
    * libxml2-debugsource-2.9.14-150400.5.44.1
    * python3-libxml2-2.9.14-150400.5.44.1
    * libxml2-tools-debuginfo-2.9.14-150400.5.44.1
    * libxml2-2-2.9.14-150400.5.44.1
    * libxml2-2-debuginfo-2.9.14-150400.5.44.1
  * SUSE Manager Server 4.3 (x86_64)
    * libxml2-2-32bit-2.9.14-150400.5.44.1
    * libxml2-2-32bit-debuginfo-2.9.14-150400.5.44.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-49794.html
  * https://www.suse.com/security/cve/CVE-2025-49796.html
  * https://www.suse.com/security/cve/CVE-2025-6021.html
  * https://www.suse.com/security/cve/CVE-2025-6170.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1244554
  * https://bugzilla.suse.com/show_bug.cgi?id=1244557
  * https://bugzilla.suse.com/show_bug.cgi?id=1244590
  * https://bugzilla.suse.com/show_bug.cgi?id=1244700

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