SUSE-SU-2026:1166-1: important: Security update for expat
SLE-UPDATES
null at suse.de
Thu Apr 2 12:30:35 UTC 2026
# 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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