USN-8196-2: strongswan Ubuntu

CVSS: UnknownPublished
Published 27-04-2026Last modified 20-05-2026
Open JSON

Vulnerability summary

USN-8196-2 is a vulnerability in strongswan Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 7
CVE-2026-35328CVE-2026-35329CVE-2026-35330CVE-2026-35331CVE-2026-35332CVE-2026-35333

Timeline

  1. 27-04-2026
    PublishedVulnerability first disclosed.
  2. 20-05-2026
    Last modifiedVulnerability information updated.

Description

strongswan vulnerabilities USN-8196-1 fixed vulnerabilities in strongSwan. This update provides the corresponding update to Ubuntu 26.04 LTS. Original advisory details: Haruto Kimura discovered that strongSwan incorrectly handled the supported_versions extension in TLS. A remote attacker could possibly use this issue to cause strongSwan to stop responding, resulting in a denial of service. (CVE-2026-35328) Haruto Kimura discovered that strongSwan incorrectly handled certain encrypted PKCS#7 containers. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. (CVE-2026-35329) Lukas Johannes Moeller discovered that strongSwan incorrectly handled certain EAP-SIM/AKA attributes. A remote attacker could use this issue to cause strongSwan to stop responding, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-35330) Haruto Kimura discovered that strongSwan incorrectly handled processing of X.509 name constraints. A remote attacker could possibly use this issue to bypass excluded name constraints. (CVE-2026-35331) Haruto Kimura discovered that strongSwan incorrectly processed ECDH public values. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. (CVE-2026-35332) Lukas Johannes Moeller discovered that strongSwan incorrectly handled certain RADIUS attributes. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. (CVE-2026-35333) Ryo Shimada discovered that strongSwan incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. (CVE-2026-35334)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • strongswan< 6.0.4-1ubuntu3

1 vendor · 1 product

References

8 links