{"id":"CVE-2019-8661","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-8661","generatedAt":"2026-10-27T23:26:47.055Z","title":"A use after free issue was addressed with improved memory management.","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.","published":"2019-12-18T18:15:32.000Z","lastModified":"2026-06-17T02:42:20.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["apple/mac os x"],"epss":{"score":0.10284,"percentile":0.95662,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2019-08-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":47207,"kind":"exploit","title":"macOS iMessage - Heap Overflow when Deserializing","url":"https://www.exploit-db.com/exploits/47207","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/macos/dos/47207.txt","file":"exploits/macos/dos/47207.txt","published":"2019-08-05","added":"2019-08-05","updated":"2019-08-05","author":"Google Security Research","type":"dos","platform":"macos","port":null,"verified":true,"codes":["CVE-2019-8661"],"tags":"Heap Overflow","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1856"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://support.apple.com/HT210348","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT210348","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-8661","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}