{"id":"CVE-2018-4435","aliases":["EUVD-2018-16221","GHSA-h3f4-jpc6-qvxf"],"status":"published","title":"A logic issue was addressed with improved restrictions. This issue affected versions prior to iOS...","description":"A logic issue was addressed with improved restrictions. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.","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":0.03092,"percentile":0.87816,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2019-04-03T17:43:18Z","modified":"2026-06-17T01:58:58Z","exploits":[{"source":"exploitdb","id":"EDB-45960","title":"XNU - POSIX Shared Memory Mappings have Incorrect Maximum Protection","type":"local","platform":"multiple","date":"2018-12-11","verified":true,"url":"https://www.exploit-db.com/exploits/45960"}],"products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/kb/HT209343","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT209342","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT209340","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT209341","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4435"},{"url":"https://github.com/advisories/GHSA-h3f4-jpc6-qvxf"}],"sources":{"cve":[{"id":"CVE-2018-4435","description":"A logic issue was addressed with improved restrictions. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.","status":"published","published":"2019-04-03T17:43:18Z","modified":"2024-08-05T05:11:22.9Z","updated_at":"2026-11-02T14:35:08.024147Z"}],"euvd":[{"id":"EUVD-2018-16221","description":"A logic issue was addressed with improved restrictions. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.","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-h3f4-jpc6-qvxf","title":"A logic issue was addressed with improved restrictions. This issue affected versions prior to iOS...","description":"A logic issue was addressed with improved restrictions. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.","status":"published","published":"2022-05-14T01:11:49Z","modified":"2023-02-02T05:03:25Z","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":"2026-11-02T14:51:38.289817Z"}],"nvd":[{"id":"CVE-2018-4435","description":"A logic issue was addressed with improved restrictions. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.","status":"published","published":"2019-04-03T18:29:15.627Z","modified":"2026-06-17T01:58:58.683Z","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"}]}}