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CVE-2023-41909

Estado: ModificadaAlta (7.5)—

An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Debian — Debian LinuxFedoraproject — FedoraFrrouting — Frrouting

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2023-41909",
  "cveTags": [],
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          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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  "published": "2023-09-05T07:15:14.877",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-476"
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  "descriptions": [
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      "lang": "en",
      "value": "An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en FRRouting FRR hasta 9.0. bgp_nlri_parse_flowspec en bgpd/bgp_flowspec.c. Procesa solicitudes con formato incorrecto sin atributos, conllevando una desreferencia de puntero NULL."
    }
  ],
  "lastModified": "2026-06-17T06:23:03.030",
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