CVE-2011-3952 (GCVE-0-2011-3952)
Vulnerability from cvelistv5 – Published: 2012-08-20 18:00 – Updated: 2024-09-16 16:53
VLAI
EPSS
VEX
Summary
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| http://www.ubuntu.com/usn/USN-1479-1 | vendor-advisoryx_refsource_UBUNTU |
| http://www.debian.org/security/2012/dsa-2494 | vendor-advisoryx_refsource_DEBIAN |
| http://ffmpeg.org/ | x_refsource_CONFIRM |
| http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=… | x_refsource_CONFIRM |
| http://libav.org/ | x_refsource_CONFIRM |
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"value": "La funci\u00f3n decode_init en kmvc.c en libavcodec de FFmpeg antes de v0.10 y en Libav v0.5.x antes de v0.5.9, v0.6.x antes de v0.6.6, v0.7.x antes de v0.7.6, y v0.8.x antes de v0.8.1 permite provocar una denegaci\u00f3n de servicio (por ca\u00edda de la aplicaci\u00f3n) y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a atacantes remotos a trav\u00e9s de un tama\u00f1o de paleta demasiado grande en un archivo KMVC codificado.\r\n"
}
],
"id": "CVE-2011-3952",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
]
},
"published": "2012-08-20T18:55:02.310",
"references": [
{
"source": "chrome-cve-admin@google.com",
"url": "http://ffmpeg.org/"
},
{
"source": "chrome-cve-admin@google.com",
"url": "http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=386741f887714d3e46c9e8fe577e326a7964037b"
},
{
"source": "chrome-cve-admin@google.com",
"url": "http://libav.org/"
},
{
"source": "chrome-cve-admin@google.com",
"url": "http://www.debian.org/security/2012/dsa-2494"
},
{
"source": "chrome-cve-admin@google.com",
"url": "http://www.ubuntu.com/usn/USN-1479-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://ffmpeg.org/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=386741f887714d3e46c9e8fe577e326a7964037b"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://libav.org/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2012/dsa-2494"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-1479-1"
}
],
"sourceIdentifier": "chrome-cve-admin@google.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| Author | Source | Type | Date | Other |
|---|
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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