{
  "id": "CVE-2015-6823",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2015-09-06T02:59:06.313",
  "lastModified": "2025-04-12T10:46:40.837",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The allocate_buffers function in libavcodec/alac.c in FFmpeg before 2.7.2 does not initialize certain context data, which allows remote attackers to cause a denial of service (segmentation violation) or possibly have unspecified other impact via crafted Apple Lossless Audio Codec (ALAC) data."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en la funci\u00f3n allocate_buffers en libavcodec/alac.c en FFmpeg en versiones anteriores a 2.7.2, no inicializa ciertos datos de contexto, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (violaci\u00f3n de segmentaci\u00f3n) o posiblemente tener otro impacto no especificado a trav\u00e9s de datos Apple Lossless Audio Codec (ALAC) manipulados."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-17"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "2.7.1",
              "matchCriteriaId": "1F6121E6-4C3F-42F3-8627-709534D9A0C9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://ffmpeg.org/security.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=f7068bf277a37479aecde2832208d820682b35e6",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1033483",
      "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=f7068bf277a37479aecde2832208d820682b35e6",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1033483",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00010.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}