{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-8351","assignerOrgId":"dbd8429d-f261-4b1e-94cc-ae3132817e2e","state":"PUBLISHED","assignerShortName":"NLOK","dateReserved":"2025-07-30T11:48:44.820Z","datePublished":"2025-12-01T15:51:42.044Z","dateUpdated":"2025-12-01T15:59:25.248Z"},"containers":{"cna":{"affected":[{"defaultStatus":"affected","modules":["aeexp.dylib"],"platforms":["MacOS"],"product":"Antivirus","vendor":"Avast","versions":[{"lessThan":"8.3.70.98","status":"affected","version":"8.3.70.94","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 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.<p>This issue affects Antivirus: from 8.3.70.94 before 8.3.70.98.</p>"}],"value":"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."}],"impacts":[{"capecId":"CAPEC-549","descriptions":[{"lang":"en","value":"CAPEC-549 Local Execution of Code"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/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-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"dbd8429d-f261-4b1e-94cc-ae3132817e2e","shortName":"NLOK","dateUpdated":"2025-12-01T15:59:25.248Z"},"references":[{"url":"https://www.gendigital.com/us/en/contact-us/security-advisories/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Upgrade to version&nbsp;8.3.70.98 (13/JUN/2025) or newer."}],"value":"Upgrade to version 8.3.70.98 (13/JUN/2025) or newer."}],"source":{"discovery":"UNKNOWN"},"title":"Scanning a malformed file in Avast Antivirus 8.3.70.94 on MacOS may result in remote code execution","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-01T15:57:24.184526Z","id":"CVE-2025-8351","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-12-01T15:58:28.472Z"}}]}}