{"id":"CVE-2021-3889","aliases":["EUVD-2021-27121","GHSA-842w-vjwh-872m"],"status":"published","title":"Use of Out-of-range Pointer Offset in bfabiszewski/libmobi","description":"libmobi is vulnerable to Use of Out-of-range Pointer Offset","severity":{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01291,"percentile":0.70456,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-823"],"published":"2021-10-19T12:30:38Z","modified":"2026-10-20T14:26:18Z","products":[{"vendor":"bfabiszewski","product":"bfabiszewski/libmobi"},{"vendor":"libmobi_project","product":"libmobi"}],"references":[{"url":"https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://huntr.dev/bounties/efb3e261-3f7d-4a45-8114-e0ace6b21516","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3889"},{"url":"https://github.com/advisories/GHSA-842w-vjwh-872m"}],"sources":{"cve":[{"id":"CVE-2021-3889","title":"Use of Out-of-range Pointer Offset in bfabiszewski/libmobi","description":"libmobi is vulnerable to Use of Out-of-range Pointer Offset","status":"published","published":"2021-10-19T12:30:38Z","modified":"2024-08-03T17:09:09.609Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-27121","description":"libmobi is vulnerable to Use of Out-of-range Pointer Offset","status":"published","published":"2021-10-19T12:30:38Z","modified":"2024-08-03T17:09:09Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T03:25:11.376657Z"}],"ghsa":[{"id":"GHSA-842w-vjwh-872m","title":"libmobi is vulnerable to Use of Out-of-range Pointer Offset","description":"libmobi is vulnerable to Use of Out-of-range Pointer Offset","status":"published","published":"2022-05-24T19:18:01Z","modified":"2023-01-30T05:02:55Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:46:44.129156Z"}],"nvd":[{"id":"CVE-2021-3889","description":"libmobi is vulnerable to Use of Out-of-range Pointer Offset","status":"published","published":"2021-10-19T13:15:11.977Z","modified":"2026-06-17T04:05:56.72Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-823","CWE-119"],"updated_at":"2026-11-02T14:07:00.137719Z"}],"osv":[{"id":"CVE-2021-3889","description":"libmobi is vulnerable to Use of Out-of-range Pointer Offset","status":"published","published":"2021-10-19T13:15:11.977Z","modified":"2026-10-20T14:26:18.564158672Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.843843Z"}]}}