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openSUSE StrongSwan Important Fix Eight Issues SUSE-SU-2026-2368-1

opensuse
Calendar Grey June 11, 2026
Dist Opensuse Esm H88
# Security update for strongswan Announcement ID: SUSE-SU-2026:2368-1 Release Date: 2026-06-11T12:22
An update that solves eight vulnerabilities can now be installed.

Description

This update for strongswan fixes the following issues

* CVE-2026-35328: infinite loop when handling supported versions TLS extension

(bsc#1261712).

* CVE-2026-35329: null pointer dereference when processing padding in PKCS#7

(bsc#1261717).

* CVE-2026-35330: integer underflow when handling EAP-SIM/AKA attributes

(bsc#1261705).

* CVE-2026-35331: accepting certificates violating name constraints

(bsc#1261718).

* CVE-2026-35332: null pointer dereference when handling ECDH public value in

TLS (bsc#1261708).

* CVE-2026-35333: integer underflow when handling RADIUS attributes

(bsc#1261706).

* CVE-2026-35334: possible null pointer dereference in RSA decryption

(bsc#1261720).

* CVE-2026-47895: double-free when destroying certain cloned identities

(bsc#1266360).

Topics%20covered

Topics Covered

security advisory important OpenSUSE strongSwan eight issues PKCS7

Patch

## 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 High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2368=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2368=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2368=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2368=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2368=1

Package List

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64

x86_64)

* strongswan-libs0-5.9.11-150400.19.35.1

* strongswan-5.9.11-150400.19.35.1

* strongswan-ipsec-debuginfo-5.9.11-150400.19.35.1

* strongswan-debuginfo-5.9.11-150400.19.35.1

* strongswan-debugsource-5.9.11-150400.19.35.1

* strongswan-ipsec-5.9.11-150400.19.35.1

* strongswan-hmac-5.9.11-150400.19.35.1

* strongswan-libs0-debuginfo-5.9.11-150400.19.35.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)

* strongswan-doc-5.9.11-150400.19.35.1

* SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)

* strongswan-libs0-5.9.11-150400.19.35.1

* strongswan-5.9.11-150400.19.35.1

* strongswan-ipsec-debuginfo-5.9.11-150400.19.35.1

* strongswan-debuginfo-5.9.11-150400.19.35.1

* strongswan-debugsource-5.9.11-150400.19.35.1

* strongswan-ipsec-5.9.11-150400.19.35.1

* strongswan-hmac-5.9.11-150400.19.35.1

* strongswan-libs0-debuginfo-5.9.11-150400.19.35.1

* SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)

*...

Read the Full Advisory

References

* bsc#1261705

* bsc#1261706

* bsc#1261708

* bsc#1261712

* bsc#1261717

* bsc#1261718

* bsc#1261720

* bsc#1266360

## References:

* https://www.suse.com/security/cve/CVE-2026-35328.html

* https://www.suse.com/security/cve/CVE-2026-35329.html

* https://www.suse.com/security/cve/CVE-2026-35330.html

* https://www.suse.com/security/cve/CVE-2026-35331.html

* https://www.suse.com/security/cve/CVE-2026-35332.html

* https://www.suse.com/security/cve/CVE-2026-35333.html

* https://www.suse.com/security/cve/CVE-2026-35334.html

* https://www.suse.com/security/cve/CVE-2026-47895.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261705

* https://bugzilla.suse.com/show_bug.cgi?id=1261706

* https://bugzilla.suse.com/show_bug.cgi?id=1261708

* https://bugzilla.suse.com/show_bug.cgi?id=1261712

* https://bugzilla.suse.com/show_bug.cgi?id=1261717

* https://bugzilla.suse.com/show_bug.cgi?id=1261718

* https://bugzilla.suse.com/show_bug.cgi?id=1261720

* https://bugzilla.suse.com/show_bug.cgi?id=1266360

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2368-1
Release Date: 2026-06-11T12:22:00Z
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

Topics%20covered

Topics Covered

security advisory important OpenSUSE strongSwan eight issues PKCS7

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