FKIE_CVE-2011-4579

Vulnerability from fkie_nvd - Published: 2012-08-20 20:55 - Updated: 2026-06-16 23:35
Severity
Summary
The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."
References
secalert@redhat.comhttp://ffmpeg.org/Vendor Advisory
secalert@redhat.comhttp://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
secalert@redhat.comhttp://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
secalert@redhat.comhttp://libav.org/Vendor Advisory
secalert@redhat.comhttp://ubuntu.com/usn/usn-1320-1
secalert@redhat.comhttp://ubuntu.com/usn/usn-1333-1
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2012:074
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2012:075
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2012:076
secalert@redhat.comhttp://www.securityfocus.com/archive/1/520620
af854a3a-2127-422b-91ae-364da2661108http://ffmpeg.org/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
af854a3a-2127-422b-91ae-364da2661108http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
af854a3a-2127-422b-91ae-364da2661108http://libav.org/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://ubuntu.com/usn/usn-1320-1
af854a3a-2127-422b-91ae-364da2661108http://ubuntu.com/usn/usn-1333-1
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2012:074
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2012:075
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2012:076
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/520620
Impacted products
Vendor Product Version
ffmpeg ffmpeg 0.5
ffmpeg ffmpeg 0.5.1
ffmpeg ffmpeg 0.5.2
ffmpeg ffmpeg 0.5.3
ffmpeg ffmpeg 0.5.4
ffmpeg ffmpeg 0.5.5
ffmpeg ffmpeg 0.6
ffmpeg ffmpeg 0.6.1
ffmpeg ffmpeg 0.6.2
ffmpeg ffmpeg 0.7
ffmpeg ffmpeg 0.7.1
ffmpeg ffmpeg 0.7.2
ffmpeg ffmpeg 0.7.3
ffmpeg ffmpeg 0.7.6
ffmpeg ffmpeg 0.7.7
ffmpeg ffmpeg 0.7.8
ffmpeg ffmpeg 0.8.0
ffmpeg ffmpeg 0.8.1
ffmpeg ffmpeg 0.8.2
ffmpeg ffmpeg 0.8.5
ffmpeg ffmpeg 0.8.6
ffmpeg ffmpeg 0.8.7
libav libav 0.5
libav libav 0.5.1
libav libav 0.5.2
libav libav 0.5.3
libav libav 0.5.4
libav libav 0.5.5
libav libav 0.6
libav libav 0.6.1
libav libav 0.6.2
libav libav 0.6.3
libav libav 0.6.4
libav libav 0.6.5
libav libav 0.7
libav libav 0.7.1
libav libav 0.7.2
To clipboard 

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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to \"dimensions changed.\""
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n svq1_decode_frame en el decodificador SVQ1 (svq1dec.c) en libavcodec en FFmpeg v0.5.x anterior a v0.5.7, v0.6.x anterior a v0.6.4, v0.7.x anterior a v0.7.9, y v0.8.x anterior a v0.8.8; y en Libav v0.5.x anterior a v0.5.6, v0.6.x anterior a v0.6.4, y v0.7.x anterior a v0.7.3 permite a atacantes remotos causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) a trav\u00e9s de un (stream) SVQ1 modificado y relacionado con \"dimensiones modificadas\"."
    }
  ],
  "id": "CVE-2011-4579",
  "lastModified": "2026-06-16T23:35:04.953",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ]
  },
  "published": "2012-08-20T20:55:03.017",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://ffmpeg.org/"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229"
    },
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    },
    {
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      "tags": [
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      "url": "http://libav.org/"
    },
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      "url": "http://ubuntu.com/usn/usn-1320-1"
    },
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      "url": "http://ubuntu.com/usn/usn-1333-1"
    },
    {
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      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:074"
    },
    {
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    },
    {
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    },
    {
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      "url": "http://www.securityfocus.com/archive/1/520620"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://ffmpeg.org/"
    },
    {
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      "url": "http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229"
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      "url": "http://ubuntu.com/usn/usn-1333-1"
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      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:074"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:075"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:076"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/520620"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.