{"id":"CVE-2018-4400","aliases":["EUVD-2018-16186","GHSA-g8pr-ghvw-pp9m"],"status":"published","title":"A validation issue was addressed with improved logic. This issue affected versions prior to iOS...","description":"A validation issue was addressed with improved logic. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, watchOS 5.1.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00913,"percentile":0.60326,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-04-03T17:43:17Z","modified":"2026-06-17T01:58:55Z","products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/kb/HT209193","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT209192","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT209195","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4400"},{"url":"https://github.com/advisories/GHSA-g8pr-ghvw-pp9m"}],"sources":{"cve":[{"id":"CVE-2018-4400","description":"A validation issue was addressed with improved logic. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, watchOS 5.1.","status":"published","published":"2019-04-03T17:43:17Z","modified":"2024-08-05T05:11:22.813Z","updated_at":"2026-11-02T14:35:08.024147Z"}],"euvd":[{"id":"EUVD-2018-16186","description":"A validation issue was addressed with improved logic. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, watchOS 5.1.","status":"published","published":"2019-04-03T17:43:17Z","modified":"2024-08-05T05:11:22Z","updated_at":"2026-11-03T02:40:13.145443Z"}],"ghsa":[{"id":"GHSA-g8pr-ghvw-pp9m","title":"A validation issue was addressed with improved logic. This issue affected versions prior to iOS...","description":"A validation issue was addressed with improved logic. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, watchOS 5.1.","status":"published","published":"2022-05-14T01:12:42Z","modified":"2023-02-02T05:03:28Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:51:38.861054Z"}],"nvd":[{"id":"CVE-2018-4400","description":"A validation issue was addressed with improved logic. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, watchOS 5.1.","status":"published","published":"2019-04-03T18:29:13.33Z","modified":"2026-06-17T01:58:55.177Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:55.136632Z"}]}}