{"id":"CVE-2018-4423","aliases":["EUVD-2018-16209","GHSA-hhcv-rwxp-gh5q"],"status":"published","title":"A logic issue was addressed with improved validation. This issue affected versions prior to macOS...","description":"A logic issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.1.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00891,"percentile":0.59652,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-04-03T17:43:18Z","modified":"2026-06-17T01:58:57Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/kb/HT209193","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4423"},{"url":"https://github.com/advisories/GHSA-hhcv-rwxp-gh5q"}],"sources":{"cve":[{"id":"CVE-2018-4423","description":"A logic issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.1.","status":"published","published":"2019-04-03T17:43:18Z","modified":"2024-08-05T05:11:22.936Z","updated_at":"2026-11-02T14:35:08.341767Z"}],"euvd":[{"id":"EUVD-2018-16209","description":"A logic issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.1.","status":"published","published":"2019-04-03T17:43:18Z","modified":"2024-08-05T05:11:22Z","updated_at":"2026-11-03T02:40:13.145443Z"}],"ghsa":[{"id":"GHSA-hhcv-rwxp-gh5q","title":"A logic issue was addressed with improved validation. This issue affected versions prior to macOS...","description":"A logic issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.1.","status":"published","published":"2022-05-14T01:12:20Z","modified":"2023-02-02T05:03:17Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:51:36.626177Z"}],"nvd":[{"id":"CVE-2018-4423","description":"A logic issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.1.","status":"published","published":"2019-04-03T18:29:15.05Z","modified":"2026-06-17T01:58:57.557Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:55.136632Z"}]}}