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CVE-2018-12547

Estado: ModificadaCrítica (9.8)—

In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. This affects existing APIs that called the functions to exceed the allocated buffer. This functions were not directly callable by non-native user code.

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 (5)

Eclipse — Openj9Redhat — Enterprise Linux DesktopRedhat — Enterprise Linux ServerRedhat — Enterprise Linux WorkstationRedhat — Satellite

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2018-12547",
  "cveTags": [],
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
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          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 3.9
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      "affectedData": [
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          "vendor": "The Eclipse Foundation",
          "product": "Eclipse OpenJ9",
          "versions": [
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              "version": "unspecified",
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  "published": "2019-02-11T15:29:00.660",
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  "vulnStatus": "Modified",
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          "value": "CWE-20"
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      "description": [
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          "value": "CWE-119"
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      "value": "In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. This affects existing APIs that called the functions to exceed the allocated buffer. This functions were not directly callable by non-native user code."
    },
    {
      "lang": "es",
      "value": "En Eclipse OpenJ9, en versiones anteriores a la 0.12.0, los métodos nativos jio_snprintf() y jio_vsnprintf() ignoraban el parámetro length. Esto afecta a las API existentes que llamaban a las funciones para sobrepasar el búfer asignado. Estas funciones no eran llamables directamente por el código de usuario no nativo."
    }
  ],
  "lastModified": "2026-06-17T01:37:57.320",
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