CVE-2025-8351

{"id": "CVE-2025-8351", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-8351", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-12-01T15:57:24.184526Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@nortonlifelock.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security@nortonlifelock.com", "affectedData": [{"vendor": "Gen Digital", "product": "Avira Antivirus", "versions": [{"status": "affected", "version": "0", "lessThan": "8.3.70.98", "versionType": "custom"}], "platforms": ["Windows", "macOS", "Linux"], "defaultStatus": "affected"}]}], "published": "2025-12-01T16:15:57.857", "references": [{"url": "https://www.gendigital.com/us/en/contact-us/security-advisories/", "source": "security@nortonlifelock.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@nortonlifelock.com", "description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process.\n\nThis issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.98."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en mont\u00edculo, vulnerabilidad de lectura fuera de los l\u00edmites en Avast Antivirus en MacOS al escanear un archivo malformado puede permitir la ejecuci\u00f3n local de c\u00f3digo o la denegaci\u00f3n de servicio del proceso del motor del antivirus. Este problema afecta a Antivirus: desde 8.3.70.94 hasta 8.3.70.98."}], "lastModified": "2026-06-17T10:06:48.500", "sourceIdentifier": "security@nortonlifelock.com"}