# Security update for strongswan
Announcement ID: SUSE-SU-2026:1307-1
Release Date: 2026-04-14T10:35:45Z
Rating: important
References:
* bsc#1259472
Cross-References:
* CVE-2026-25075
CVSS scores:
* 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
* 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
* CVE-2026-25075 ( NVD ): 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/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
* 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
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* 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:
* 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:
* SUSE Linux Enterprise Server 12 SP5 LTSS
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1307=1
* 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:
* 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
* SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
* strongswan-doc-5.1.3-26.32.1
* 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
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
* strongswan-doc-5.1.3-26.32.1
## References:
* https://www.suse.com/security/cve/CVE-2026-25075.html
* https://bugzilla.suse.com/show_bug.cgi?id=1259472
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