{"id":"CVE-2021-36082","aliases":["DEBIAN-CVE-2021-36082","EUVD-2021-22715","GHSA-m94w-7cmq-758f"],"status":"published","title":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","description":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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":0.01762,"percentile":0.78181,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2021-07-01T02:48:02Z","modified":"2026-10-23T18:04:50Z","fixes":[{"ecosystem":"Debian:12","package":"ndpi","fixed_in":["4.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ndpi","fixed_in":["4.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ndpi","fixed_in":["4.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ndpi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ndpi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ndpi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0-1"}]}]}],"products":[{"vendor":"ntop","product":"ndpi"}],"references":[{"url":"https://github.com/ntop/nDPI/commit/1ec621c85b9411cc611652fd57a892cfef478af3","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30393","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ndpi/OSV-2021-304.yaml","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36082"},{"url":"https://github.com/advisories/GHSA-m94w-7cmq-758f"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-36082","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-36082","description":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","status":"published","published":"2021-07-01T02:48:02Z","modified":"2024-08-04T00:47:43.8Z","updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-22715","description":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","status":"published","published":"2021-07-01T02:48:02Z","modified":"2024-08-04T00:47:43Z","updated_at":"2026-11-03T03:24:29.877227Z"}],"ghsa":[{"id":"GHSA-m94w-7cmq-758f","title":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","description":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","status":"published","published":"2022-05-24T19:06:44Z","modified":"2023-01-30T05:00:35Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:14.069279Z"}],"nvd":[{"id":"CVE-2021-36082","description":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","status":"published","published":"2021-07-01T03:15:08.653Z","modified":"2026-06-17T03:58:20.413Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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-787"],"updated_at":"2026-11-02T14:06:55.259633Z"}],"osv":[{"id":"CVE-2021-36082","description":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","status":"published","published":"2021-07-01T03:15:08.653Z","modified":"2026-10-20T14:25:21.143880125Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.13324Z"},{"id":"DEBIAN-CVE-2021-36082","description":"ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.","status":"published","published":"2021-07-01T03:15:08.653Z","modified":"2026-10-23T18:04:50.803378115Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.233346Z"}]}}