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CVE-2022-40320

Estado: ModificadaAlta (8.8)—

cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read.

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 (2)

Fedoraproject — FedoraLibconfuse Project — Libconfuse

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-40320",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
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        "impactScore": 5.9,
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  "published": "2022-09-09T21:15:08.577",
  "references": [
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      "url": "https://github.com/libconfuse/libconfuse/issues/163",
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  "vulnStatus": "Modified",
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    },
    {
      "lang": "es",
      "value": "La función cfg_tilde_expand en el archivo confuse.c en libConfuse 3.3 presenta una lectura excesiva del búfer en la región heap de la memoria"
    }
  ],
  "lastModified": "2026-06-17T05:01:18.850",
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