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SUSE StrongSwan Important Security Update CVE-2026-35328 CVE-2026-35329

suse
Calendar Grey June 19, 2026
Dist Suse Esm H88
Critical security update for strongswan. Fixes eight important vulnerabilities that can be installed now.
An update that solves eight vulnerabilities can now be installed.

Summary

## 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). ## Patch Instructions:

Topics%20covered

Topics Covered

security advisory update SuSE important information stronswan

References

* bsc#1261705

* bsc#1261706

* bsc#1261708

* bsc#1261712

* bsc#1261717

* bsc#1261718

* bsc#1261720

* bsc#1266360

Cross-

* CVE-2026-35328

* CVE-2026-35329

* CVE-2026-35330

* CVE-2026-35331

* CVE-2026-35332

* CVE-2026-35333

* CVE-2026-35334

* CVE-2026-47895

CVSS scores:

* CVE-2026-35328 ( SUSE ): 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

* CVE-2026-35328 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-35329 ( SUSE ): 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

* CVE-2026-35329 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-35330 ( SUSE ): 9.2

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2459-1
Release Date: 2026-06-18T16:40:03Z
Rating: important

Topics%20covered

Topics Covered

security advisory update SuSE important information stronswan

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