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CVE-2019-19720

Estado: ModificadaAlta (8.8)—

Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.

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)

Yabasic — Yabasic

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-19720",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
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        "acInsufInfo": false,
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  "affected": [
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  "published": "2019-12-11T04:15:10.667",
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      "tags": [
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        "Vendor Advisory"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-787"
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  "descriptions": [
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      "lang": "en",
      "value": "Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file."
    },
    {
      "lang": "es",
      "value": "Yabasic versión 2.86.1, presenta un desbordamiento de búfer en la región heap de la memoria en la función yylex() en el archivo flex.c por medio de un archivo fuente BASIC diseñado."
    }
  ],
  "lastModified": "2026-06-17T02:27:08.287",
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