CERTFR-2026-AVI-0643
Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans Nginx. Elle permet à un attaquant de provoquer une exécution de code arbitraire à distance et un déni de service à distance.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

L'éditeur indique que les versions 0.x de Nginx Open Source n'auront pas de correctifs

Impacted products
Vendor Product Description
F5 NGINX NGINX Plus versions Rx antérieures à R36 P5 ou R32 P7
F5 NGINX NGINX Plus versions 37.x antérieures à 37.0.1.1
F5 NGINX NGINX Open Source versions postérieures à 1.31.0 antérieures à 1.31.1
F5 NGINX NGINX Open Source versions 1.x antérieures à 1.30.2
References
Bulletin de sécurité F5 K000161377 2026-05-22 vendor-advisory

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "NGINX Plus versions Rx ant\u00e9rieures \u00e0 R36 P5 ou R32 P7",
      "product": {
        "name": "NGINX",
        "vendor": {
          "name": "F5",
          "scada": false
        }
      }
    },
    {
      "description": "NGINX Plus versions 37.x ant\u00e9rieures \u00e0 37.0.1.1",
      "product": {
        "name": "NGINX",
        "vendor": {
          "name": "F5",
          "scada": false
        }
      }
    },
    {
      "description": "NGINX Open Source versions post\u00e9rieures \u00e0 1.31.0 ant\u00e9rieures \u00e0 1.31.1",
      "product": {
        "name": "NGINX",
        "vendor": {
          "name": "F5",
          "scada": false
        }
      }
    },
    {
      "description": "NGINX Open Source versions 1.x ant\u00e9rieures \u00e0 1.30.2",
      "product": {
        "name": "NGINX",
        "vendor": {
          "name": "F5",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "L\u0027\u00e9diteur indique que les versions 0.x de Nginx Open Source n\u0027auront pas de correctifs",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-9256",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-9256"
    }
  ],
  "initial_release_date": "2026-05-26T00:00:00",
  "last_revision_date": "2026-05-26T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0643",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-05-26T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Nginx. Elle permet \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance et un d\u00e9ni de service \u00e0 distance.",
  "title": "Vuln\u00e9rabilit\u00e9 dans Nginx",
  "vendor_advisories": [
    {
      "published_at": "2026-05-22",
      "title": "Bulletin de s\u00e9curit\u00e9 F5 K000161377",
      "url": "https://my.f5.com/manage/s/article/K000161377"
    }
  ]
}


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