Security update for strongswan

Announcement ID: SUSE-SU-2026:0981-1
Release Date: 2026-03-23T16:47:26Z
Rating: important
References:
Cross-References:
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:
  • openSUSE Leap 15.4
  • SUSE Linux Enterprise High Performance Computing 15 SP4
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  • SUSE Linux Enterprise Server 15 SP4
  • SUSE Linux Enterprise Server 15 SP4 LTSS
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves one vulnerability can now be installed.

Description:

This update for strongswan fixes the following issues:

  • CVE-2026-25075: Fixed 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:

  • openSUSE Leap 15.4
    zypper in -t patch SUSE-2026-981=1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-981=1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-981=1
  • SUSE Linux Enterprise Server 15 SP4 LTSS
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-981=1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-981=1

Package List:

  • openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    • strongswan-sqlite-debuginfo-5.9.11-150400.19.26.1
    • strongswan-ipsec-debuginfo-5.9.11-150400.19.26.1
    • strongswan-ipsec-5.9.11-150400.19.26.1
    • strongswan-nm-5.9.11-150400.19.26.1
    • strongswan-nm-debuginfo-5.9.11-150400.19.26.1
    • strongswan-libs0-debuginfo-5.9.11-150400.19.26.1
    • strongswan-mysql-5.9.11-150400.19.26.1
    • strongswan-hmac-5.9.11-150400.19.26.1
    • strongswan-mysql-debuginfo-5.9.11-150400.19.26.1
    • strongswan-libs0-5.9.11-150400.19.26.1
    • strongswan-debuginfo-5.9.11-150400.19.26.1
    • strongswan-5.9.11-150400.19.26.1
    • strongswan-debugsource-5.9.11-150400.19.26.1
    • strongswan-sqlite-5.9.11-150400.19.26.1
  • openSUSE Leap 15.4 (noarch)
    • strongswan-doc-5.9.11-150400.19.26.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
    • strongswan-ipsec-debuginfo-5.9.11-150400.19.26.1
    • strongswan-ipsec-5.9.11-150400.19.26.1
    • strongswan-libs0-debuginfo-5.9.11-150400.19.26.1
    • strongswan-hmac-5.9.11-150400.19.26.1
    • strongswan-libs0-5.9.11-150400.19.26.1
    • strongswan-debuginfo-5.9.11-150400.19.26.1
    • strongswan-5.9.11-150400.19.26.1
    • strongswan-debugsource-5.9.11-150400.19.26.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
    • strongswan-doc-5.9.11-150400.19.26.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
    • strongswan-ipsec-debuginfo-5.9.11-150400.19.26.1
    • strongswan-ipsec-5.9.11-150400.19.26.1
    • strongswan-libs0-debuginfo-5.9.11-150400.19.26.1
    • strongswan-hmac-5.9.11-150400.19.26.1
    • strongswan-libs0-5.9.11-150400.19.26.1
    • strongswan-debuginfo-5.9.11-150400.19.26.1
    • strongswan-5.9.11-150400.19.26.1
    • strongswan-debugsource-5.9.11-150400.19.26.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
    • strongswan-doc-5.9.11-150400.19.26.1
  • SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    • strongswan-ipsec-debuginfo-5.9.11-150400.19.26.1
    • strongswan-ipsec-5.9.11-150400.19.26.1
    • strongswan-libs0-debuginfo-5.9.11-150400.19.26.1
    • strongswan-hmac-5.9.11-150400.19.26.1
    • strongswan-libs0-5.9.11-150400.19.26.1
    • strongswan-debuginfo-5.9.11-150400.19.26.1
    • strongswan-5.9.11-150400.19.26.1
    • strongswan-debugsource-5.9.11-150400.19.26.1
  • SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
    • strongswan-doc-5.9.11-150400.19.26.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    • strongswan-ipsec-debuginfo-5.9.11-150400.19.26.1
    • strongswan-ipsec-5.9.11-150400.19.26.1
    • strongswan-libs0-debuginfo-5.9.11-150400.19.26.1
    • strongswan-hmac-5.9.11-150400.19.26.1
    • strongswan-libs0-5.9.11-150400.19.26.1
    • strongswan-debuginfo-5.9.11-150400.19.26.1
    • strongswan-5.9.11-150400.19.26.1
    • strongswan-debugsource-5.9.11-150400.19.26.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
    • strongswan-doc-5.9.11-150400.19.26.1

References: