Scanning a malformed file in Avast Antivirus 8.3.70.94 on MacOS may result in remote code execution_CVE-2025-8351

{
    "lastseen": "",
    "description": "Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avast Antivirus on MacOS when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the anitvirus engine process.This issue affects Antivirus: from 8.3.70.94 before 8.3.70.98.",
    "published": "2025-12-01T15:51:42.044Z",
    "modified": "2025-12-01T15:59:25.248Z",
    "type": "cve",
    "title": "Scanning a malformed file in Avast Antivirus 8.3.70.94 on MacOS may result in remote code execution",
    "source": "NLOK",
    "references": "https://www.gendigital.com/us/en/contact-us/security-advisories/",
    "id": "CVE-2025-8351",
    "bulletinFamily": "",
    "cwe": [
        "CWE-122",
        "CWE-125"
    ],
    "cvelist": null,
    "sourceData": "Avast Antivirus 8.3.70.94",
    "sourceHref": "",
    "cvss": {
        "score": 9,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Antivirus",
    "version": "8.3.70.94",
    "vendor": "Avast",
    "ai_description": "Heap-based Buffer Overflow and Out-of-bounds Read vulnerability in Avast Antivirus on MacOS",
    "ai_severity": "Critical",
    "ai_vendor": "Avast",
    "ai_product": "Avast Antivirus",
    "ai_version": "8.3.70.94",
    "ai_score": 9
}