CVE-2025-54957

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Dolby UDC 4.5 through 4.13. A crash of the DD+ decoder process can occur when a malformed DD+ bitstream is processed. When Evolution data is processed by evo_priv.c from the DD+ bitstream, the decoder writes that data into a buffer. The length calculation for a write can overflow due to an integer wraparound. This can lead to the allocated buffer being too small, and the out-of-bounds check of the subsequent write to be ineffective, leading to an out-of-bounds write."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Dolby UDC 4.5 hasta 4.13. Puede ocurrir un fallo del proceso del decodificador DD+ cuando se procesa un flujo de bits DD+ malformado. Cuando los datos de Evolution son procesados por evo_priv.c desde el flujo de bits DD+, el decodificador escribe esos datos en un b\u00fafer. El c\u00e1lculo de la longitud para una escritura puede desbordarse debido a un ajuste de enteros. Esto puede llevar a que el b\u00fafer asignado sea demasiado peque\u00f1o, y a que la comprobaci\u00f3n de l\u00edmites de la escritura subsiguiente sea ineficaz, lo que resulta en una escritura fuera de l\u00edmites."}], "id": "CVE-2025-54957", "lastModified": "2026-11-05T22:10:00.203", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-54957", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-01-16T04:55:56.918155Z", "version": "2.0.3"}}]}, "published": "2025-10-20T15:15:33.430", "references": [{"source": "cve@mitre.org", "url": "https://professional.dolby.com/siteassets/pdfs/dolby-security-advisory-CVE-2025-54957-Oct-14-25.pdf"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://project-zero.issues.chromium.org/issues/428075495"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://projectzero.google/2026/01/pixel-0-click-part-1.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}, {"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-10-23T10:18:07.044107+00:00", "updated": "2025-10-23T10:18:07.044133+00:00", "vendors": ["dolby", "dolby$PRODUCT$udc"]}