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SUSE alert SUSE-SU-2026:1166-1 (expat)



From:
              OPENSUSE-SECURITY-UPDATES <null@suse.de>


To:
              security-announce@lists.opensuse.org


Subject:
              SUSE-SU-2026:1166-1: important: Security update for expat


Date:
              Thu, 02 Apr 2026 12:30:36 -0000


Message-ID:
              <177513303616.1256.10843299154136696454@c2c2e0ac4d9f>


Archive-link:
              Article




# Security update for expat

Announcement ID: SUSE-SU-2026:1166-1  
Release Date: 2026-04-02T01:08:59Z  
Rating: important  
References:

  * bsc#1259711
  * bsc#1259726
  * bsc#1259729

  
Cross-References:

  * CVE-2026-32776
  * CVE-2026-32777
  * CVE-2026-32778

  
CVSS scores:

  * CVE-2026-32776 ( 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-2026-32776 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32776 ( NVD ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-32776 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32777 ( 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-2026-32777 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32777 ( NVD ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-32777 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32778 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-32778 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32778 ( NVD ):  2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-32778 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * openSUSE Leap 15.6
  * 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 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 for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for expat fixes the following issues:

  * CVE-2026-32776: NULL pointer dereference when processing empty external
    parameter entities inside an entity declaration value (bsc#1259726).
  * CVE-2026-32777: denial of service due to infinite loop in DTD content
    parsing (bsc#1259711).
  * CVE-2026-32778: NULL pointer dereference in `setContext` on retry after an
    out-of-memory condition (bsc#1259729).

## 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 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1166=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1166=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1166=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1166=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1166=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1166=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1166=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1166=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1166=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1166=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1166=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1166=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1166=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1166=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1166=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-1166=1

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2026-1166=1

## Package List:

  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * openSUSE Leap 15.4 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat-devel-32bit-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * libexpat-devel-64bit-2.7.1-150400.3.37.1
    * libexpat1-64bit-debuginfo-2.7.1-150400.3.37.1
    * libexpat1-64bit-2.7.1-150400.3.37.1
    * expat-64bit-debuginfo-2.7.1-150400.3.37.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * libexpat1-2.7.1-150400.3.37.1
    * libexpat-devel-2.7.1-150400.3.37.1
    * expat-2.7.1-150400.3.37.1
    * expat-debuginfo-2.7.1-150400.3.37.1
    * expat-debugsource-2.7.1-150400.3.37.1
    * libexpat1-debuginfo-2.7.1-150400.3.37.1
  * openSUSE Leap 15.6 (x86_64)
    * libexpat1-32bit-2.7.1-150400.3.37.1
    * libexpat-devel-32bit-2.7.1-150400.3.37.1
    * expat-32bit-debuginfo-2.7.1-150400.3.37.1
    * libexpat1-32bit-debuginfo-2.7.1-150400.3.37.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-32776.html
  * https://www.suse.com/security/cve/CVE-2026-32777.html
  * https://www.suse.com/security/cve/CVE-2026-32778.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1259711
  * https://bugzilla.suse.com/show_bug.cgi?id=1259726
  * https://bugzilla.suse.com/show_bug.cgi?id=1259729





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