7.5

CVE-2026-47895: strongswan Double Free

CVSS: 7.5v3.1HighDeferred
AliasesALPINE-CVE-2026-47895SUSE-SU-2026:22168-1SUSE-SU-2026:2312-1
Published 22-08-2026Last modified 24-08-2026
Open JSON

Vulnerability summary

CVE-2026-47895 is a high (CVSS 7.5) Double Free vulnerability in strongswan. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.42%
0%100%
Low · -0.25 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 4
MGASA-2026-0490SUSE-SU-2026:2368-1SUSE-SU-2026:2459-1SUSE-SU-2026:4115-1USN-8407-1

Timeline

  1. 22-08-2026
    PublishedVulnerability first disclosed.
  2. 24-08-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

-0.25 pp

From 0.67% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.42%

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

Affected systems

Suse4 products
  • strongswan&distro=SUSE Linux Enterprise Server 12 SP5-LTSS< 5.1.3-26.38.1
  • strongswan&distro=SUSE Linux Enterprise Server 16.0< 6.0.6-160000.2.1
  • strongswan&distro=SUSE Linux Enterprise Server for SAP applications 16.0< 6.0.6-160000.2.1
  • strongswan&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5< 5.1.3-26.38.1
Opensuse2 products
  • strongswan&distro=openSUSE Leap 16.0< 6.0.6-160000.2.1
  • strongswan&distro=openSUSE Tumbleweed< 6.0.7-1.1
Alpine1 product
  • strongswan< 6.0.7-r0
Debian1 product
  • strongswan< 5.9.8-5+deb12u5 | < 6.0.1-6+deb13u6 | < 6.0.7-1
Strongswan1 product
Ubuntu1 product
  • strongswanAll versions (No fix recorded) | < 5.9.5-2ubuntu2.7 | < 5.9.5-2ubuntu2.7+Fips1 | < 5.9.13-2ubuntu4.24.04.4 | < 6.0.1-6ubuntu4.4 | < 6.0.4-1ubuntu3.1

6 vendors · 10 products

References

13 links
Show all 13 references