CVE-2019-9719

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*", "matchCriteriaId": "13D267B7-CF5C-4C69-9E61-2F793B918C82", "versionEndIncluding": "12.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf. NOTE: Third parties dispute that this is a vulnerability because \u201cno evidence of a vulnerability is provided\u201d and only \u201ca generic warning from a static code analysis\u201d is provided"}, {"lang": "es", "value": "** EN DISPUTA ** Un desbordamiento de b\u00fafer basado en pila en el decodificador de subt\u00edtulos en Libav 12.3 permite a los atacantes corromper la pila a trav\u00e9s de un archivo de video especialmente dise\u00f1ado en formato Matroska, porque srt_to_ass en libavcodec / srtdec.c usa mal snprintf. NOTA: Los terceros discuten que esto es una vulnerabilidad porque \"no se proporciona evidencia de una vulnerabilidad\" y solo se proporciona \"una advertencia gen\u00e9rica de un an\u00e1lisis de c\u00f3digo est\u00e1tico\"."}], "id": "CVE-2019-9719", "lastModified": "2026-06-17T02:44:13.763", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-09-19T21:15:10.503", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L113"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/libav/libav/commits/master/libavcodec/srtdec.c"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://lgtm.com/projects/g/libav/libav/snapshot/f5f553ca3bdca0c97dd08bbf002f0d8cb193788b/files/libavcodec/srtdec.c?sort=name&dir=ASC&mode=heatmap#xeec693aa6d85853b:1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lgtm.com/security/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L113"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/libav/libav/commits/master/libavcodec/srtdec.c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://lgtm.com/projects/g/libav/libav/snapshot/f5f553ca3bdca0c97dd08bbf002f0d8cb193788b/files/libavcodec/srtdec.c?sort=name&dir=ASC&mode=heatmap#xeec693aa6d85853b:1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lgtm.com/security/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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