{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-7019", "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "state": "PUBLISHED", "assignerShortName": "GEN", "dateReserved": "2025-07-02T12:03:39.699Z", "datePublished": "2026-06-12T22:14:19.144Z", "dateUpdated": "2026-06-12T22:14:19.144Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "shortName": "GEN", "dateUpdated": "2026-06-12T22:14:19.144Z"}, "title": "Avast antivirus stack overflow when scanning a malformed Office Open XML file", "datePublic": "2024-12-04T18:16:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-125", "descriptions": [{"lang": "en", "value": "CAPEC-125 Denial of Service"}]}], "affected": [{"vendor": "Gen Digital", "product": "Avast Antivirus", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25020100", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "Gen Digital", "product": "AVG Antivirus", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25020100", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "Gen Digital", "product": "Norton Antivirus", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25020100", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "Gen Digital", "product": "Avast One", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25020100", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "Gen Digital", "product": "Avast Business Antivirus", "platforms": ["Windows", "macOS", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "25020100", "versionType": "custom"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow 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 25020100.\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": "Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow 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 25020100.</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": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}}], "solutions": [{"lang": "en", "value": "Install virus definitions VPS 25020100 or any later virus-definition update. All builds at or above VPS 25020100 include the fix; staying current on definitions is required.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Install virus definitions <strong>VPS 25020100</strong> or <strong>any later</strong> virus-definition update. All builds at or above VPS 25020100 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"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow 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 25020100.\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-2025-7019", "lastModified": "2026-06-12T22:16:49.590", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-06-12T22:16:49.590", "references": [{"source": "[email protected]", "url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"created": "2026-06-12T23:30:08.539508+00:00", "updated": "2026-06-12T23:30:08.539539+00:00", "vendors": []}