{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-7004", "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "state": "PUBLISHED", "assignerShortName": "GEN", "dateReserved": "2025-07-02T07:42:38.625Z", "datePublished": "2026-06-12T22:04:48.483Z", "dateUpdated": "2026-06-12T22:04:48.483Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "shortName": "GEN", "dateUpdated": "2026-06-12T22:04:48.483Z"}, "title": "Avast antivirus heap buffer OOB write when scanning a malformed PE file", "datePublic": "2025-05-26T11:01:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-549", "descriptions": [{"lang": "en", "value": "CAPEC-549 Local Execution of Code"}]}], "affected": [{"vendor": "Gen Digital", "product": "Avast Antivirus", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25040308", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "Gen Digital", "product": "AVG Antivirus", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25040308", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "Gen Digital", "product": "Norton Antivirus", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25040308", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "Gen Digital", "product": "Avast One", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25040308", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "Gen Digital", "product": "Avast Business Antivirus", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25040308", "versionType": "custom"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "Heap buffer out-of-bounds write vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus process.\n\nThis issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus definition builds before VPS 25040308.\n\n\n\nThe affected scanning logic is delivered through a shared Gen Digital virus definition update stream. The same stream feeds the consumer antivirus products listed in this advisory and other Gen Digital products that embed the same engine. Mitigation flows through this update channel; installations at or above the listed build are not vulnerable regardless of which product consumes the stream.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Heap buffer out-of-bounds write vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus process.<p>This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus definition builds before VPS 25040308.</p><p>The affected scanning logic is delivered through a shared Gen Digital virus definition update stream. The same stream feeds the consumer antivirus products listed in this advisory and other Gen Digital products that embed the same engine. Mitigation flows through this update channel; installations at or above the listed build are not vulnerable regardless of which product consumes the stream.</p>"}]}], "references": [{"url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Install virus definitions VPS 25040308 or any later virus-definition update. All builds at or above VPS 25040308 include the fix; staying current on definitions is required.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Install virus definitions <strong>VPS 25040308</strong> or <strong>any later</strong> virus-definition update. All builds at or above VPS 25040308 include the fix; staying current on definitions is required."}]}], "credits": [{"lang": "en", "value": "Mike Zhang, an independent security researcher", "type": "reporter"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Heap buffer out-of-bounds write vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus process.\n\nThis issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus definition builds before VPS 25040308.\n\n\n\nThe affected scanning logic is delivered through a shared Gen Digital virus definition update stream. The same stream feeds the consumer antivirus products listed in this advisory and other Gen Digital products that embed the same engine. Mitigation flows through this update channel; installations at or above the listed build are not vulnerable regardless of which product consumes the stream."}], "id": "CVE-2025-7004", "lastModified": "2026-06-12T22:16:48.383", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security@nortonlifelock.com", "type": "Secondary"}]}, "published": "2026-06-12T22:16:48.383", "references": [{"source": "security@nortonlifelock.com", "url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "sourceIdentifier": "security@nortonlifelock.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "security@nortonlifelock.com", "type": "Secondary"}]}

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