{"id":"CVE-2018-21065","aliases":["EUVD-2018-13583","GHSA-gc24-7fjh-v287"],"status":"published","title":"An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software. There...","description":"An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software. There is an integer underflow in eCryptFS because of a missing size check. The Samsung ID is SVE-2017-11855 (August 2018).","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00443,"percentile":0.38784,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2020-04-08T17:27:17Z","modified":"2026-06-17T01:54:04Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-21065"},{"url":"https://github.com/advisories/GHSA-gc24-7fjh-v287"}],"sources":{"cve":[{"id":"CVE-2018-21065","description":"An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software. There is an integer underflow in eCryptFS because of a missing size check. The Samsung ID is SVE-2017-11855 (August 2018).","status":"published","published":"2020-04-08T17:27:17Z","modified":"2024-08-05T12:19:27.528Z","updated_at":"2026-11-02T14:35:02.289647Z"}],"euvd":[{"id":"EUVD-2018-13583","description":"An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software. There is an integer underflow in eCryptFS because of a missing size check. The Samsung ID is SVE-2017-11855 (August 2018).","status":"published","published":"2020-04-08T17:27:17Z","modified":"2024-08-05T12:19:27Z","updated_at":"2026-11-03T02:39:28.765449Z"}],"ghsa":[{"id":"GHSA-gc24-7fjh-v287","title":"An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software. There...","description":"An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software. There is an integer underflow in eCryptFS because of a missing size check. The Samsung ID is SVE-2017-11855 (August 2018).","status":"published","published":"2022-05-24T17:13:43Z","modified":"2023-01-29T05:02:07Z","updated_at":"2026-11-02T14:44:59.63481Z"}],"nvd":[{"id":"CVE-2018-21065","description":"An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software. There is an integer underflow in eCryptFS because of a missing size check. The Samsung ID is SVE-2017-11855 (August 2018).","status":"published","published":"2020-04-08T18:15:14.167Z","modified":"2026-06-17T01:54:04.02Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/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-191"],"updated_at":"2026-11-02T14:05:00.03074Z"}]}}