SUSE StrongSwan Important Security Issues Resolved 2026-1637-1
suse
April 28, 2026
An update that solves seven 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). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like
Topics Covered
References
* bsc#1261705
* bsc#1261706
* bsc#1261708
* bsc#1261712
* bsc#1261717
* bsc#1261718
* bsc#1261720
Cross-
* CVE-2026-35328
* CVE-2026-35329
* CVE-2026-35330
* CVE-2026-35331
* CVE-2026-35332
* CVE-2026-35333
* CVE-2026-35334
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
* CVE-2026-35330 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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Severity
important
Lowest
Low
Medium
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Critical
Announcement ID: SUSE-SU-2026:1637-1
Release Date: 2026-04-27T16:59:38Z
Rating: important
Topics Covered
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