{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-10101", "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "state": "PUBLISHED", "assignerShortName": "NLOK", "dateReserved": "2025-09-08T10:10:40.173Z", "datePublished": "2025-12-01T15:32:31.678Z", "dateUpdated": "2025-12-02T04:56:01.046Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "modules": ["engine.so"], "platforms": ["MacOS"], "product": "Antivirus", "vendor": "Avast", "versions": [{"lessThan": "3.9.2025", "status": "affected", "version": "15.7", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Mike Zhang"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS <span style=\"background-color: rgb(255, 255, 255);\">of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection.</span><br><p>This issue affects Antivirus: from 15.7 before 3.9.2025.</p>"}], "value": "Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection.\nThis issue affects Antivirus: from 15.7 before 3.9.2025."}], "impacts": [{"capecId": "CAPEC-549", "descriptions": [{"lang": "en", "value": "CAPEC-549 Local Execution of Code"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "shortName": "NLOK", "dateUpdated": "2025-12-01T15:58:23.215Z"}, "references": [{"url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Upgrade to virus definitions 25090300 (i.e. 3.9.2025) or newer, released 03/Sep/2025"}], "value": "Upgrade to virus definitions 25090300 (i.e. 3.9.2025) or newer, released 03/Sep/2025"}], "source": {"discovery": "UNKNOWN"}, "title": "Crafted Mach-O file may allow Remote Code Execution in Avast Antivirus 15.7 on MacOS", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-12-01T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2025-10101"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-02T04:56:01.046Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-10101", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-01T15:55:11.057026Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-01T15:56:03.292Z"}}], "cna": {"title": "Crafted Mach-O file may allow Remote Code Execution in Avast Antivirus 15.7 on MacOS", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Mike Zhang"}], "impacts": [{"capecId": "CAPEC-549", "descriptions": [{"lang": "en", "value": "CAPEC-549 Local Execution of Code"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Avast", "modules": ["engine.so"], "product": "Antivirus", "versions": [{"status": "affected", "version": "15.7", "lessThan": "3.9.2025", "versionType": "custom"}], "platforms": ["MacOS"], "defaultStatus": "affected"}], "solutions": [{"lang": "en", "value": "Upgrade to virus definitions 25090300 (i.e. 3.9.2025) or newer, released 03/Sep/2025", "supportingMedia": [{"type": "text/html", "value": "Upgrade to virus definitions 25090300 (i.e. 3.9.2025) or newer, released 03/Sep/2025", "base64": false}]}], "references": [{"url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection.\nThis issue affects Antivirus: from 15.7 before 3.9.2025.", "supportingMedia": [{"type": "text/html", "value": "Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS <span style=\"background-color: rgb(255, 255, 255);\">of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection.</span><br><p>This issue affects Antivirus: from 15.7 before 3.9.2025.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "shortName": "NLOK", "dateUpdated": "2025-12-01T15:58:23.215Z"}}}, "cveMetadata": {"cveId": "CVE-2025-10101", "state": "PUBLISHED", "dateUpdated": "2025-12-02T04:56:01.046Z", "dateReserved": "2025-09-08T10:10:40.173Z", "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "datePublished": "2025-12-01T15:32:31.678Z", "assignerShortName": "NLOK"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection.\nThis issue affects Antivirus: from 15.7 before 3.9.2025."}], "id": "CVE-2025-10101", "lastModified": "2025-12-02T17:16:43.890", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 6.0, "source": "security@nortonlifelock.com", "type": "Secondary"}]}, "published": "2025-12-01T16:15:50.690", "references": [{"source": "security@nortonlifelock.com", "url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "sourceIdentifier": "security@nortonlifelock.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-787"}], "source": "security@nortonlifelock.com", "type": "Secondary"}]}

{}