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CVE-2024-45491

Estado: ModificadaCrítica (9.8)—

An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).

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 (1)

Libexpat Project — Libexpat

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-45491",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "automatable": "yes"
            },
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          "version": "2.0.3",
          "timestamp": "2024-08-30T13:53:48.624463Z"
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      "lang": "en",
      "value": "An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX)."
    },
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    }
  ],
  "lastModified": "2026-06-17T07:54:18.673",
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}