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CVE-2026-3387

Estado: AnalizadaBaja (1.9)—

A vulnerability has been found in wren-lang wren up to 0.4.0. Affected by this issue is the function getByteCountForArguments of the file src/vm/wren_compiler.c. Such manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

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)

Wren — Wren

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-3387",
  "cveTags": [],
  "metrics": {
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          "options": [
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          "version": "2.0.3",
          "timestamp": "2026-03-02T19:35:02.890254Z"
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    "cvssMetricV31": [
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "modifiedAttackComplexity": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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      "tags": [
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      "source": "cna@vuldb.com"
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      "url": "https://github.com/wren-lang/wren/issues/1220",
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        "Issue Tracking",
        "Vendor Advisory"
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      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/?ctiid.348273",
      "tags": [
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        "VDB Entry"
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      "source": "cna@vuldb.com"
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      "tags": [
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      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/?submit.761312",
      "tags": [
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        "VDB Entry"
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      "source": "cna@vuldb.com",
      "description": [
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          "lang": "en",
          "value": "CWE-404"
        },
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
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      "lang": "en",
      "value": "A vulnerability has been found in wren-lang wren up to 0.4.0. Affected by this issue is the function getByteCountForArguments of the file src/vm/wren_compiler.c. Such manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una vulnerabilidad en wren-lang wren hasta 0.4.0, la cual afeacta a la función getByteCountForArguments del archivo src/vm/wren_compiler.c. Su manipulación lleva a una desreferencia de puntero nulo. Se requiere acceso local para abordar este ataque. El exploit ha sido divulgado al público y puede ser usado. Se informó con antelación del problema al proyecto, a través de un informe de incidencias, pero aún no ha respondido."
    }
  ],
  "lastModified": "2026-06-17T10:43:30.660",
  "configurations": [
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              "versionEndIncluding": "0.4.0"
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}