{"id":"CVE-2018-4281","aliases":["EUVD-2018-16067","GHSA-rx5q-753m-6mmq"],"status":"published","title":"In SwiftNIO before 1.8.0, a buffer overflow was addressed with improved size validation.","description":"In SwiftNIO before 1.8.0, a buffer overflow was addressed with improved size validation.","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":"2026-11-07","score":0.0101,"percentile":0.63325,"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":"2026-10-24T10:30:49Z","products":[{"vendor":"apple","product":"swiftnio"}],"references":[{"url":"https://support.apple.com/HT208921","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4281"},{"url":"https://github.com/advisories/GHSA-rx5q-753m-6mmq"}],"sources":{"cve":[{"id":"CVE-2018-4281","description":"In SwiftNIO before 1.8.0, a buffer overflow was addressed with improved size validation.","status":"published","published":"2019-01-11T18:00:00Z","modified":"2024-08-05T05:11:22.263Z","updated_at":"2026-11-02T14:35:08.341767Z"}],"euvd":[{"id":"EUVD-2018-16067","description":"In SwiftNIO before 1.8.0, a buffer overflow was addressed with improved size validation.","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-rx5q-753m-6mmq","title":"In SwiftNIO before 1.8.0, a buffer overflow was addressed with improved size validation.","description":"In SwiftNIO before 1.8.0, a buffer overflow was addressed with improved size validation.","status":"published","published":"2022-05-14T01:39:14Z","modified":"2023-02-02T05:04:13Z","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":"2026-11-02T14:51:48.979759Z"}],"nvd":[{"id":"CVE-2018-4281","description":"In SwiftNIO before 1.8.0, a buffer overflow was addressed with improved size validation.","status":"published","published":"2019-01-11T18:29:03.03Z","modified":"2026-06-17T01:58:43.12Z","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":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:53.079938Z"}],"osv":[{"id":"CVE-2018-4281","description":"In SwiftNIO before 1.8.0, a buffer overflow was addressed with improved size validation.","status":"published","published":"2019-01-11T18:29:03.03Z","modified":"2026-10-24T10:30:49.461710724Z","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"}],"updated_at":"2026-11-02T15:44:09.442568Z"}]}}