Skip to content
Fencer Vulns
high 7.5

CVE-2026-47895 json

In strongSwan before 6.0.7, identity parsing/cloning is mishandled.

published 2026-08-22 2 mo ago modified 2026-10-14 25 d ago also EUVD-2026-64602

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

In strongSwan before 6.0.7, identity parsing/cloning is mishandled. Parsed EAP-Identities that result in an empty but non-NULL encoding are not correctly cloned and trigger a double-free once the duplicates are destroyed.

Patch / fix

  • strongSwan strongSwan 6.0.7
  • strongswan Debian 12 5.9.8-5+deb12u5
  • strongswan Debian 13 6.0.1-6+deb13u6
  • strongswan Debian 14 6.0.7-1

debian advisories DEBIAN-CVE-2026-47895

  • strongswan Ubuntu 22.04 LTS 5.9.5-2ubuntu2.7
  • strongswan Ubuntu 24.04 LTS 5.9.13-2ubuntu4.24.04.4
  • strongswan Ubuntu 25.10 6.0.1-6ubuntu4.4
  • strongswan Ubuntu 26.04 LTS 6.0.4-1ubuntu3.1
  • strongswan Ubuntu Pro FIPS-updates 22.04 LTS 5.9.5-2ubuntu2.7+Fips1

ubuntu advisories UBUNTU-CVE-2026-47895

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • strongswan SLE Workstation Extension 15 SP7, SLE Module for Package Hub 15 SP7, SLE Module for Basesystem 15 SP7 5.9.14-150700.3.21.2
  • strongswan SLES for SAP applications 16.0, SLES 16.0 6.0.6-160000.2.1
  • strongswan SLES for SAP 15 SP5, SLES 15 SP5-LTSS, SLE High Performance Computing 15 SP5-LTSS +1 more 5.9.11-150500.5.23.2
  • strongswan SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 5.9.11-150400.19.35.1
  • strongswan SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 5.1.3-26.38.1

suse advisories SUSE-SU-2026:4115-1SUSE-SU-2026:22168-1SUSE-SU-2026:2459-1SUSE-SU-2026:2368-1SUSE-SU-2026:2312-1

  • strongswan openSUSE Leap 16.0 6.0.6-160000.2.1
  • strongswan openSUSE Tumbleweed 6.0.7-1.1

opensuse advisories openSUSE-SU-2026:21092-1openSUSE-SU-2026:11005-1

  • strongswan Alpine 3.24 6.0.7-r0

alpine advisories ALPINE-CVE-2026-47895

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • strongswan Azure Linux 3.0 5.9.14-10

azure linux advisories AZL-97377

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 mo ago

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • strongSwan strongSwan

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.