{"id":"CVE-2018-4258","aliases":["EUVD-2018-16044","GHSA-mw67-7vxx-7gvq"],"status":"published","title":"In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.","description":"In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01288,"percentile":0.70391,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2019-01-11T18:00:00Z","modified":"2026-06-17T01:58:40Z","products":[{"vendor":"apple","product":"mac_os_x"}],"references":[{"url":"https://support.apple.com/HT208849","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4258"},{"url":"https://github.com/advisories/GHSA-mw67-7vxx-7gvq"}],"sources":{"cve":[{"id":"CVE-2018-4258","description":"In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.","status":"published","published":"2019-01-11T18:00:00Z","modified":"2024-08-05T05:11:22.667Z","updated_at":"2026-11-02T14:35:08.341767Z"}],"euvd":[{"id":"EUVD-2018-16044","description":"In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.","status":"published","published":"2019-01-11T18:00:00Z","modified":"2024-08-05T05:11:22Z","updated_at":"2026-11-03T02:40:13.563498Z"}],"ghsa":[{"id":"GHSA-mw67-7vxx-7gvq","title":"In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.","description":"In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.","status":"published","published":"2022-05-14T01:40:44Z","modified":"2023-02-02T05:04:19Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:51:50.619018Z"}],"nvd":[{"id":"CVE-2018-4258","description":"In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.","status":"published","published":"2019-01-11T18:29:02.687Z","modified":"2026-06-17T01:58:40.613Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:53.079938Z"}]}}