ESB-2026.3519 — Vulnetix

ESB-2026.3519 PUBLISHED CVSS 7.5 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3519 Security update for openssl-1_1 13 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: openssl-1_1 Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-28389 CVE-2026-31789 CVE-2026-28387 CVE-2026-28388 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261255-1 Comment: CVSS (Max): 7.5 CVE-2026-28388 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: [CISA-ADP], 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% (15th) CVE-2026-28389 2026-04-12 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for openssl-1_1 Announcement ID: SUSE-SU-2026:1255-1 Release Date: 2026-04-10T14:56:49Z Rating: important o bsc#1260441 o bsc#1260442 References: o bsc#1260443 o bsc#1260444 o CVE-2026-28387 o CVE-2026-28388 Cross-References: o CVE-2026-28389 o CVE-2026-31789 o CVE-2026-28387 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:L/A:L o CVE-2026-28389 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N CVSS scores: /S:U/C:N/I:N/A:L o CVE-2026-31789 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:L/I:L/A:L 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 four vulnerabilities can now be installed. Description: This update for openssl-1_1 fixes the following issues: o CVE-2026-28387: Potential use-after-free in DANE client code (bsc#1260441). o CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL (bsc# 1260442). o CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo (bsc#1260443). o CVE-2026-31789: Heap buffer overflow in hexadecimal conversion (bsc# 1260444). 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-2026-1255=1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1255= 1 Package List: o SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) openssl-1_1-debuginfo-1.1.1d-2.125.1 openssl-1_1-debugsource-1.1.1d-2.125.1 libopenssl-1_1-devel-1.1.1d-2.125.1 openssl-1_1-1.1.1d-2.125.1 libopenssl1_1-1.1.1d-2.125.1 libopenssl1_1-debuginfo-1.1.1d-2.125.1 libopenssl1_1-hmac-1.1.1d-2.125.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64) libopenssl-1_1-devel-32bit-1.1.1d-2.125.1 libopenssl1_1-hmac-32bit-1.1.1d-2.125.1 libopenssl1_1-32bit-1.1.1d-2.125.1 libopenssl1_1-debuginfo-32bit-1.1.1d-2.125.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) openssl-1_1-debuginfo-1.1.1d-2.125.1 libopenssl-1_1-devel-32bit-1.1.1d-2.125.1 openssl-1_1-debugsource-1.1.1d-2.125.1 libopenssl1_1-debuginfo-32bit-1.1.1d-2.125.1 libopenssl1_1-hmac-1.1.1d-2.125.1 libopenssl-1_1-devel-1.1.1d-2.125.1 openssl-1_1-1.1.1d-2.125.1 libopenssl1_1-1.1.1d-2.125.1 libopenssl1_1-hmac-32bit-1.1.1d-2.125.1 libopenssl1_1-32bit-1.1.1d-2.125.1 libopenssl1_1-debuginfo-1.1.1d-2.125.1 References: o https://www.suse.com/security/cve/CVE-2026-28387.html o https://www.suse.com/security/cve/CVE-2026-28388.html o https://www.suse.com/security/cve/CVE-2026-28389.html o https://www.suse.com/security/cve/CVE-2026-31789.html o https://bugzilla.suse.com/show_bug.cgi?id=1260441 o https://bugzilla.suse.com/show_bug.cgi?id=1260442 o https://bugzilla.suse.com/show_bug.cgi?id=1260443 o https://bugzilla.suse.com/show_bug.cgi?id=1260444 - --------------------------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	openssl-1_1

Timeline

Apr 13, 2026 CVE Published

References

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