CVE-2012-0947

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0.7.x before 0.7.6, and 0.8.x before 0.8.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VQA media file in which the image size is not a multiple of the block size."}, {"lang": "es", "value": "Un desbordamiento de b\u00fafer basado en memoria din\u00e1mica ('heap') en la funci\u00f3n vqa_decode_chunk en el c\u00f3dec VQA (vqavideo.c) en libavcodec 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 v0.8.2 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de un archivo multimedia VQA modificado en el que el tama\u00f1o de la imagen no es m\u00faltiplo del tama\u00f1o del bloque.\r\n"}], "id": "CVE-2012-0947", "lastModified": "2026-06-16T23:38:33.553", "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": "2012-08-20T18:55:02.950", "references": [{"source": "security@ubuntu.com", "url": "http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3"}, {"source": "security@ubuntu.com", "url": "http://libav.org/"}, {"source": "security@ubuntu.com", "url": "http://secunia.com/advisories/49089"}, {"source": "security@ubuntu.com", "url": "http://www.debian.org/security/2012/dsa-2471"}, {"source": "security@ubuntu.com", "url": 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