CVE-2026-78132

Published Sep 11, 2026

Last updated 6 days ago

CVSS high 7.5

Overview

Description: strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
Source: cve@mitre.org
NVD status: Analyzed
Products: strongswan

Risk scores

CVSS 3.1

Type: Secondary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

cve@mitre.org: CWE-835

Hype score: Not currently trending

🚨 HIGH SEVERITY: CVE-2026-78132 CVSS 7.5 - strongSwan VPN (v5.1.3-6.0.7) vulnerable to infinite loop DoS in x509 plugin attribute certificate parser. Network-exploitable, no auth required. Patch immediately. #CVE #Vulnerability #PatchNow https://t.co/pfFhpWHc6c
@DFIR_Lab
17 Sept 2026
33 Impressions
0 Retweets
0 Likes
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0 Replies
0 Quotes

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "D815FA1D-0955-4EEA-A076-07572B03CACF",
            "versionEndExcluding": "6.1.0",
            "versionStartIncluding": "5.1.3",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.

Overview

Risk scores

CVSS 3.1

Weaknesses

Social media

Configurations

Related CVEs

References