CVE-2026-78132

Infinite Loop in StrongSwan X.509 Attribute Certificate Parser

Published Sep 11, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.

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': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Infinite Loop in StrongSwan X.509 Attribute Certificate Parser
Type Values Removed Values Added
Description strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
First Time appeared Strongswan
Strongswan strongswan
Weaknesses CWE-835
CPEs cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*
Vendors & Products Strongswan
Strongswan strongswan
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 14, 2026, 6:18 PM
Reserved
Aug 22, 2026, 11:35 PM
Status
Analyzed
Published
Sep 11, 2026, 2:18 AM
Modified
Sep 14, 2026, 8:08 PM