ESB-2026.3166 — Vulnetix

ESB-2026.3166 PUBLISHED CVSS 7.5 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3166 Security update for expat 1 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: expat Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-32776 CVE-2026-32777 CVE-2026-32778 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261159-1 Comment: CVSS (Max): 7.5 CVE-2026-32777 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.0% (2nd) CVE-2026-32778 2026-03-31 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for expat Announcement ID: SUSE-SU-2026:1159-1 Release Date: 2026-03-31T15:03:51Z Rating: important o bsc#1259711 References: o bsc#1259726 o bsc#1259729 o CVE-2026-32776 Cross-References: o CVE-2026-32777 o CVE-2026-32778 o 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 o 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 o 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 o 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 o 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 o 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 CVSS scores: o 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 o 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 o 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 o 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 o 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 o 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 o SUSE Linux Enterprise High Performance Computing 12 SP5 o SUSE Linux Enterprise Server 12 SP5 Affected o SUSE Linux Enterprise Server 12 SP5 LTSS Products: o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security o SUSE Linux Enterprise Server for SAP Applications 12 SP5 An update that solves three vulnerabilities can now be installed. Description: This update for expat fixes the following issues: o CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity declaration value (bsc#1259726). o CVE-2026-32777: denial of service due to infinite loop in DTD content parsing (bsc#1259711). o 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: o SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1159=1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1159= 1 Package List: o SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) libexpat1-2.7.1-21.52.1 expat-2.7.1-21.52.1 expat-debugsource-2.7.1-21.52.1 libexpat-devel-2.7.1-21.52.1 expat-debuginfo-2.7.1-21.52.1 libexpat1-debuginfo-2.7.1-21.52.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64) libexpat1-debuginfo-32bit-2.7.1-21.52.1 libexpat1-32bit-2.7.1-21.52.1 expat-debuginfo-32bit-2.7.1-21.52.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) libexpat1-debuginfo-32bit-2.7.1-21.52.1 libexpat1-2.7.1-21.52.1 expat-2.7.1-21.52.1 expat-debuginfo-32bit-2.7.1-21.52.1 libexpat1-32bit-2.7.1-21.52.1 expat-debugsource-2.7.1-21.52.1 libexpat-devel-2.7.1-21.52.1 expat-debuginfo-2.7.1-21.52.1 libexpat1-debuginfo-2.7.1-21.52.1 References: o https://www.suse.com/security/cve/CVE-2026-32776.html o https://www.suse.com/security/cve/CVE-2026-32777.html o https://www.suse.com/security/cve/CVE-2026-32778.html o https://bugzilla.suse.com/show_bug.cgi?id=1259711 o https://bugzilla.suse.com/show_bug.cgi?id=1259726 o https://bugzilla.suse.com/show_bug.cgi?id=1259729 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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Risk Scores

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
SUSE	expat

Timeline

Apr 1, 2026 CVE Published

References

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