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CVE-2018-12458

Estado: ModificadaMedia (6.5)—

Un tipo de entero incorrecto en la función mpeg4_encode_gop_header en libavcodec/mpeg4videoenc.c en FFmpeg 2.8 y 4.0 podría desencadenar una violación de aserción al convertir un archivo AVI manipulado a MPEG4, lo que conduce a una denegación de servicio

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 LinuxFfmpeg — Ffmpeg

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-12458",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-06-15T15:29:00.217",
  "references": [
    {
      "url": "https://github.com/FFmpeg/FFmpeg/commit/6bbef938839adc55e8e048bc9cc2e0fafe2064df",
      "tags": [
        "Patch",
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/FFmpeg/FFmpeg/commit/e1182fac1afba92a4975917823a5f644bee7e6e8",
      "tags": [
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        "Patch",
        "Third Party Advisory"
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    },
    {
      "url": "https://www.debian.org/security/2018/dsa-4249",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/FFmpeg/FFmpeg/commit/6bbef938839adc55e8e048bc9cc2e0fafe2064df",
      "tags": [
        "Patch",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/FFmpeg/FFmpeg/commit/e1182fac1afba92a4975917823a5f644bee7e6e8",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service."
    },
    {
      "lang": "es",
      "value": "Un tipo de entero incorrecto en la función mpeg4_encode_gop_header en libavcodec/mpeg4videoenc.c en FFmpeg 2.8 y 4.0 podría desencadenar una violación de aserción al convertir un archivo AVI manipulado a MPEG4, lo que conduce a una denegación de servicio"
    }
  ],
  "lastModified": "2026-06-17T01:37:49.067",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ffmpeg:ffmpeg:2.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DAA8F265-CE4D-46FE-9871-FDD4D6738DAB"
            },
            {
              "criteria": "cpe:2.3:a:ffmpeg:ffmpeg:4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "35169F84-5DDB-468A-9DB4-08CC657ABE8B"
            }
          ],
          "operator": "OR"
        }
      ]
    },
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      "nodes": [
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          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}