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SUSE OpenSUSE StrongSwan Critical Patch Advisory for CVE-2026-25075

suse
Calendar Grey March 24, 2026
Dist Suse Esm H88
Stay secure with SUSE's important update for StrongSwan, addressing critical integer underflow issues and more.
An update that solves one vulnerability can now be installed.

Summary

## 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

Topics%20covered

Topics Covered

security advisory important integer underflow OpenSUSE strongSwan cve-2026-25075

References

* bsc#1259472

Cross-

* 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:

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0981-1
Release Date: 2026-03-23T16:47:26Z
Rating: important

Topics%20covered

Topics Covered

security advisory important integer underflow OpenSUSE strongSwan cve-2026-25075

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