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CVE-2018-14337

Estado: ModificadaAlta (7.5)—

The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string.c does not check for a negative length.

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)

Debian — Debian LinuxMruby — Mruby

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2018-14337",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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  "published": "2018-07-17T03:29:00.227",
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      "url": "https://github.com/mruby/mruby/issues/4062",
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        "Third Party Advisory"
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-190"
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      "lang": "en",
      "value": "The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string.c does not check for a negative length."
    },
    {
      "lang": "es",
      "value": "La macro CHECK en mrbgems/mruby-sprintf/src/sprintf.c en mruby 1.4.1 contiene un desbordamiento de enteros firmados que podría conducir a un acceso a la memoria fuera de límites. Esto se debe a que la función mrb_str_resize en string.c no comprueba si hay una longitud negativa."
    }
  ],
  "lastModified": "2026-06-17T01:40:49.620",
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