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CVE-2015-6824

Estado: ModificadaAlta (7.5)—

Vulnerabilidad en la función sws_init_context en libswscale/utils.c en FFmpeg en versiones anteriores a 2.7.2, no inicializa ciertas estructuras de datos pixbuf, lo que permite a atacantes remotos causar una denegación de servicio (violación de la segmentación) o posiblemente tener otro impacto no especificado a través de datos de vídeo manipulados.

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)

Canonical — Ubuntu LinuxFfmpeg — Ffmpeg

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2015-6824",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-09-06T02:59:07.347",
  "references": [
    {
      "url": "http://ffmpeg.org/security.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=a5d44d5c220e12ca0cb7a4eceb0f74759cb13111",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1033483",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2944-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00010.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://ffmpeg.org/security.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=a5d44d5c220e12ca0cb7a4eceb0f74759cb13111",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1033483",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2944-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00010.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The sws_init_context function in libswscale/utils.c in FFmpeg before 2.7.2 does not initialize certain pixbuf data structures, which allows remote attackers to cause a denial of service (segmentation violation) or possibly have unspecified other impact via crafted video data."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en la función sws_init_context en libswscale/utils.c en FFmpeg en versiones anteriores a 2.7.2, no inicializa ciertas estructuras de datos pixbuf, lo que permite a atacantes remotos causar una denegación de servicio (violación de la segmentación) o posiblemente tener otro impacto no especificado a través de datos de vídeo manipulados."
    }
  ],
  "lastModified": "2026-06-17T00:31:28.997",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1F6121E6-4C3F-42F3-8627-709534D9A0C9",
              "versionEndIncluding": "2.7.1"
            }
          ],
          "operator": "OR"
        }
      ]
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  "sourceIdentifier": "cve@mitre.org"
}