{"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":"2026-02-26T16:57:50.756Z"},"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":{"id":"CVE-2025-10101","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-12-02T04:56:02.529916Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-26T16:57:50.756Z"}}]}}