Alerts This Week
Warning Icon 1 975
Alerts This Week
Warning Icon 1 975

openSUSE StrongSwan Important Integer Underflow Vuln SUSE-2026-2197-1

suse
Calendar Grey June 1, 2026
Dist Suse Esm H88
SUSE releases important security advisory for strongswan, addressing six significant issues. Update recommended.
An update that solves six 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-2026-35332: 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: null pointer dereference in RSA decryption (bsc#1261720). ## 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:

Topics%20covered

Topics Covered

security advisory security issue important integer underflow OpenSUSE strongSwan

References

* bsc#1261705

* bsc#1261706

* bsc#1261708

* bsc#1261712

* bsc#1261717

* bsc#1261720

Cross-

* CVE-2026-35328

* CVE-2026-35329

* CVE-2026-35330

* 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

* CVE-2026-35332 ( SUSE ): 8.7

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2197-1
Release Date: 2026-06-01T07:45:03Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue important integer underflow OpenSUSE strongSwan

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here