CVE-2026-78127

Memory Leak in StrongSwan's IKE Message Parser

Published Sep 11, 2026 CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
Description
libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in the IKE message parser.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4879-1 strongswan security update
Debian DSA Debian DSA DSA-6487-1 strongswan security update
Ubuntu USN Ubuntu USN USN-8789-1 strongSwan vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Memory Leak in StrongSwan's IKE Message Parser
Type Values Removed Values Added
Description libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in the IKE message parser.
First Time appeared Strongswan
Strongswan strongswan
Weaknesses CWE-401
CPEs cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*
Vendors & Products Strongswan
Strongswan strongswan
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 11, 2026, 5:22 PM
Reserved
Aug 22, 2026, 11:29 PM
Status
Analyzed
Published
Sep 11, 2026, 2:18 AM
Modified
Sep 14, 2026, 8:09 PM