ESB-2026.3679 PUBLISHED CVSS 7.5 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3679 Security update for strongswan 15 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: strongswan Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-25075 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261307-1 Comment: CVSS (Max): 7.5 CVE-2026-25075 (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): 0.2% (35th) CVE-2026-25075 2026-04-14 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for strongswan Announcement ID: SUSE-SU-2026:1307-1 Release Date: 2026-04-14T10:35:45Z Rating: important References: o bsc#1259472 Cross-References: o CVE-2026-25075 o CVE-2026-25075 ( 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-2026-25075 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-25075 ( NVD ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/ CVSS scores: UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/ MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/ MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X o CVE-2026-25075 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/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 one vulnerability can now be installed. Description: This update for strongswan fixes the following issue: o CVE-2026-25075: integer underflow when handling EAP-TTLS AVP (bsc#1259472). 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-2026-1307=1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1307= 1 Package List: o SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) strongswan-libs0-debuginfo-5.1.3-26.32.1 strongswan-5.1.3-26.32.1 strongswan-libs0-5.1.3-26.32.1 strongswan-debugsource-5.1.3-26.32.1 strongswan-hmac-5.1.3-26.32.1 strongswan-ipsec-debuginfo-5.1.3-26.32.1 strongswan-ipsec-5.1.3-26.32.1 o SUSE Linux Enterprise Server 12 SP5 LTSS (noarch) strongswan-doc-5.1.3-26.32.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) strongswan-libs0-debuginfo-5.1.3-26.32.1 strongswan-5.1.3-26.32.1 strongswan-libs0-5.1.3-26.32.1 strongswan-debugsource-5.1.3-26.32.1 strongswan-hmac-5.1.3-26.32.1 strongswan-ipsec-debuginfo-5.1.3-26.32.1 strongswan-ipsec-5.1.3-26.32.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch) strongswan-doc-5.1.3-26.32.1 References: o https://www.suse.com/security/cve/CVE-2026-25075.html o https://bugzilla.suse.com/show_bug.cgi?id=1259472 - --------------------------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

VendorProductVersions
SUSEstrongswan

Timeline

References

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