# Security update for expat

Announcement ID: SUSE-SU-2025:1201-1  
Release Date: 2025-04-11T10:16:48Z  
Rating: important  
References:

  * bsc#1239618
  * jsc#PED-12500
  * jsc#SLE-21253

  
Cross-References:

  * CVE-2024-8176

  
CVSS scores:

  * CVE-2024-8176 ( 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-2024-8176 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-8176 ( 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-SP6
  * openSUSE Leap 15.4
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP6
  * 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 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP6
  * 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 for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves one vulnerability and contains two features can now be
installed.

## Description:

This update for expat fixes the following issues:

  * CVE-2024-8176: Fixed denial of service from chaining a large number of
    entities caused by stack overflow by resolving use of recursion
    (bsc#1239618)

Other fixes: \- version update to 2.7.1 (jsc#PED-12500) Bug fixes: #980 #989
Restore event pointer behavior from Expat 2.6.4 (that the fix to CVE-2024-8176
changed in 2.7.0); affected API functions are: \- XML_GetCurrentByteCount \-
XML_GetCurrentByteIndex \- XML_GetCurrentColumnNumber \-
XML_GetCurrentLineNumber \- XML_GetInputContext Other changes: #976 #977
Autotools: Integrate files "fuzz/xml_lpm_fuzzer.{cpp,proto}" with Automake that
were missing from 2.7.0 release tarballs #983 #984 Fix printf format specifiers
for 32bit Emscripten #992 docs: Promote OpenSSF Best Practices self-
certification #978 tests/benchmark: Resolve mistaken double close #986 Address
compiler warnings #990 #993 Version info bumped from 11:1:10 (libexpat
_.so.1.10.1) to 11:2:10 (libexpat_.so.1.10.2); see https://verbump.de/ for what
these numbers do Infrastructure: #982 CI: Start running Perl XML::Parser
integration tests #987 CI: Enforce Clang Static Analyzer clean code #991 CI: Re-
enable warning clang-analyzer-valist.Uninitialized for clang-tidy #981 CI: Cover
compilation with musl #983 #984 CI: Cover compilation with 32bit Emscripten #976
#977 CI: Protect against fuzzer files missing from future release archives

  * version update to 2.7.0 #935 #937 Autotools: Make generated CMake files look
    for libexpat.@SO_MAJOR@.dylib on macOS #925 Autotools: Sync CMake templates
    with CMake 3.29 #945 #962 #966 CMake: Drop support for CMake <3.13 #942
    CMake: Small fuzzing related improvements #921 docs: Add missing
    documentation of error code XML_ERROR_NOT_STARTED that was introduced with
    2.6.4 #941 docs: Document need for C++11 compiler for use from C++ #959
    tests/benchmark: Fix a (harmless) TOCTTOU #944 Windows: Fix installer target
    location of file xmlwf.xml for CMake #953 Windows: Address warning
    -Wunknown-warning-option about -Wno-pedantic-ms-format from LLVM MinGW #971
    Address Cppcheck warnings #969 #970 Mass-migrate links from http:// to
    https:// #947 #958 .. #974 #975 Document changes since the previous release
    #974 #975 Version info bumped from 11:0:10 (libexpat _.so.1.10.0) to 11:1:10
    (libexpat_.so.1.10.1); see https://verbump.de/ for what these numbers do

## 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 for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2025-1201=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2025-1201=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2025-1201=1

  * Basesystem Module 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-1201=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-1201=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-1201=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-1201=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-1201=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-1201=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-1201=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2025-1201=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-1201=1

  * SUSE Manager Proxy 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-2025-1201=1

  * SUSE Manager Retail Branch Server 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-
Server-4.3-2025-1201=1

  * SUSE Manager Server 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.3-2025-1201=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2025-1201=1

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2025-1201=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2025-1201=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2025-1201=1

## Package List:

  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
  * Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * Basesystem Module 15-SP6 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Manager Proxy 4.3 (x86_64)
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Manager Retail Branch Server 4.3 (x86_64)
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Manager Server 4.3 (ppc64le s390x x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * SUSE Manager Server 4.3 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * openSUSE Leap 15.4 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat-devel-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * libexpat-devel-64bit-2.7.1-150400.3.28.1
    * libexpat1-64bit-2.7.1-150400.3.28.1
    * libexpat1-64bit-debuginfo-2.7.1-150400.3.28.1
    * expat-64bit-debuginfo-2.7.1-150400.3.28.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat-devel-2.7.1-150400.3.28.1
  * openSUSE Leap 15.6 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.28.1
    * libexpat-devel-32bit-2.7.1-150400.3.28.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.28.1
    * expat-32bit-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * libexpat1-2.7.1-150400.3.28.1
    * libexpat1-debuginfo-2.7.1-150400.3.28.1
    * expat-debugsource-2.7.1-150400.3.28.1
    * expat-debuginfo-2.7.1-150400.3.28.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-8176.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1239618
  * https://jira.suse.com/browse/PED-12500
  * https://jira.suse.com/browse/SLE-21253