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(2) otrl_proto_data_read_flags y la funci\u00f3n (3) otrl_proto_accept_data en src/proto.c; y la funci\u00f3n (4) (decode) in toolkit/parse.c in libotr before v3.2.1 asigna un b\u00fafer de longitud cero cuando se decodifica un (string) en base64, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de un mensaje con el valor \"?OTR:===.\", lo cual dispara un desbordamiento de b\u00fafer basado en memoria din\u00e1mica."}], "id": "CVE-2012-3461", "lastModified": "2025-04-11T00:51:21.963", "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, 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