{"id":"CVE-2018-4277","aliases":["EUVD-2018-16063","GHSA-83rq-ppqv-95c6"],"status":"published","title":"In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High...","description":"In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01867,"percentile":0.79468,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-01-11T18:00:00Z","modified":"2026-06-17T01:58:42Z","products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"safari"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/HT208854","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.apple.com/HT208935","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.apple.com/HT208937","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1041232","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://support.apple.com/HT208936","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.apple.com/HT208938","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4277"},{"url":"https://github.com/advisories/GHSA-83rq-ppqv-95c6"}],"sources":{"cve":[{"id":"CVE-2018-4277","description":"In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation.","status":"published","published":"2019-01-11T18:00:00Z","modified":"2024-08-05T05:11:21.451Z","updated_at":"2026-11-02T14:35:08.341767Z"}],"euvd":[{"id":"EUVD-2018-16063","description":"In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation.","status":"published","published":"2019-01-11T18:00:00Z","modified":"2024-08-05T05:11:21Z","updated_at":"2026-11-03T02:40:13.563498Z"}],"ghsa":[{"id":"GHSA-83rq-ppqv-95c6","title":"In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High...","description":"In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation.","status":"published","published":"2022-05-13T01:31:03Z","modified":"2023-02-01T05:07:56Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:38.356016Z"}],"nvd":[{"id":"CVE-2018-4277","description":"In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation.","status":"published","published":"2019-01-11T18:29:02.827Z","modified":"2026-06-17T01:58:42.7Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:53.079938Z"}]}}