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CVE-2026-32776

Estado: ModificadaMedia (5.5)—

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.

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-2026-32776",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-16T14:58:32.064137Z"
        }
      }
    ],
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
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          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
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      },
      {
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        "source": "nvd@nist.gov",
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  ],
  "published": "2026-03-16T14:19:44.600",
  "references": [
    {
      "url": "https://github.com/libexpat/libexpat/pull/1158",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "source": "cve@mitre.org"
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      "tags": [
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  "vulnStatus": "Modified",
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        {
          "lang": "en",
          "value": "CWE-476"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content."
    },
    {
      "lang": "es",
      "value": "libexpat antes de 2.7.5 permite una desreferencia de puntero NULL con contenido de entidad de parámetro externo vacío."
    }
  ],
  "lastModified": "2026-07-14T13:18:49.530",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}