{"id":"CVE-2018-4212","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-4212","generatedAt":"2026-10-28T20:26:03.525Z","title":"In iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, unexpected interaction causes an ASSERT failure.","description":"In iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, unexpected interaction causes an ASSERT failure. This issue was addressed with improved checks.","published":"2019-01-11T18:29:02.000Z","lastModified":"2026-06-17T01:58:36.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["apple/safari","apple/iphone os","apple/tvos","apple/watchos","apple/icloud","apple/itunes","canonical/ubuntu linux","webkitgtk/webkitgtk\\+"],"epss":{"score":0.02064,"percentile":0.81264,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://security.gentoo.org/glsa/201812-04","tags":["Third Party Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208693%2C","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208694","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208695%2C","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208696%2C","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208697%2C","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208698%2C","source":"product-security@apple.com"},{"url":"https://usn.ubuntu.com/3781-1/","tags":["Third Party Advisory"],"source":"product-security@apple.com"},{"url":"https://security.gentoo.org/glsa/201812-04","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208693%2C","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208694","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208695%2C","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208696%2C","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208697%2C","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208698%2C","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3781-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-4212","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."}