{"id":"CVE-2018-4366","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-4366","generatedAt":"2026-10-28T20:06:02.797Z","title":"A memory corruption issue was addressed with improved input validation.","description":"A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.","published":"2019-04-03T18:29:11.000Z","lastModified":"2026-06-17T01:58:52.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-119"],"affected":["apple/iphone os"],"epss":{"score":0.06448,"percentile":0.93692,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.05317,"percentile":0.92285},{"date":"2026-09-22","score":0.06448,"percentile":0.93418}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2018-11-06","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45788,"kind":"exploit","title":"FaceTime - 'VCPDecompressionDecodeFrame' Memory Corruption","url":"https://www.exploit-db.com/exploits/45788","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/macos/dos/45788.txt","file":"exploits/macos/dos/45788.txt","published":"2018-11-06","added":"2018-11-06","updated":"2018-11-06","author":"Google Security Research","type":"dos","platform":"macos","port":null,"verified":true,"codes":["CVE-2018-4366"],"tags":"Denial of Service (DoS)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1634"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 6.4%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"https://support.apple.com/kb/HT209192","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/kb/HT209192","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-4366","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."}