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CVE-2020-36430

Estado: ModificadaAlta (7.8)—

libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction.

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)

Fedoraproject — FedoraLibass Project — Libass

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-36430",
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
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        "obtainAllPrivilege": false,
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  "affected": [
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  "published": "2021-07-20T07:15:07.817",
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  "vulnStatus": "Modified",
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      "value": "libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction."
    },
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      "value": "libass versiones 0.15.x anteriores a 0.15.1, presenta un desbordamiento de búfer en la región heap de la memoria en la función decode_chars (llamado desde decode_font y process_text) porque es usado el tipo de datos entero incorrecto para la sustracción"
    }
  ],
  "lastModified": "2026-06-17T03:15:28.513",
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