ESB-2026.3747 — Vulnetix

ESB-2026.3747 PUBLISHED CVSS 7.5 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3747 Security update for expat 16 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-20261352-1 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 2026-04-15 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for expat Announcement ID: SUSE-SU-2026:1352-1 Release Date: 2026-04-15T13:36:54Z 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 Basesystem Module 15-SP7 Affected o SUSE Linux Enterprise Desktop 15 SP7 Products: o SUSE Linux Enterprise Real Time 15 SP7 o SUSE Linux Enterprise Server 15 SP7 o SUSE Linux Enterprise Server for SAP Applications 15 SP7 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 Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1352=1 Package List: o Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) expat-debugsource-2.7.1-150700.3.12.1 expat-debuginfo-2.7.1-150700.3.12.1 libexpat1-debuginfo-2.7.1-150700.3.12.1 expat-2.7.1-150700.3.12.1 libexpat-devel-2.7.1-150700.3.12.1 libexpat1-2.7.1-150700.3.12.1 o Basesystem Module 15-SP7 (x86_64) expat-32bit-debuginfo-2.7.1-150700.3.12.1 libexpat1-32bit-debuginfo-2.7.1-150700.3.12.1 libexpat1-32bit-2.7.1-150700.3.12.1 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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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================

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 16, 2026 CVE Published

References

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