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CVE-2017-7863

Estado: ModificadaCrítica (9.8)—
Gravedad9.8Crítica · CVSS 3.0
Probabilidad de explotación2.56 %mayor que el 85 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

FFmpeg en versiones anteriores a 04-02-2017 tiene una escritura fuera de límites provocado por un desbordamiento de búfer basado en memoria dinámica en relación con la función decode_frame_common en libavcodec/pngdec.c

CVSS

Puntuación base
9.8
Versión
3.0
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
2.56 %
Percentil entre todas las CVEs puntuadas
85
Fecha de la puntuación
21/10/2026

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 LinuxFfmpeg — Ffmpeg

CWE

Referencias

Mostrar las 8 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2017-7863",
  "cveTags": [],
  "metrics": {
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "FFmpeg before 2017-02-04 has an out-of-bounds write caused by a heap-based buffer overflow related to the decode_frame_common function in libavcodec/pngdec.c."
    },
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    }
  ],
  "lastModified": "2026-06-17T01:25:21.853",
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  "sourceIdentifier": "cve@mitre.org"
}