{"id":"CVE-2019-20791","aliases":["EUVD-2019-11328","GHSA-qqjh-hw9j-392p"],"status":"published","title":"OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner:...","description":"OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.","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":0.00878,"percentile":0.59367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-04-28T17:35:52Z","modified":"2026-06-17T02:31:12Z","products":[{"vendor":"google","product":"openthread"}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19386","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://github.com/openthread/openthread/commit/b8c3161281f8e15873f8decabd8eac461717aefe","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://github.com/openthread/openthread/commit/c3a3a0c424322009fec3ab735fb20ce8f6e19e70","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20791"},{"url":"https://github.com/advisories/GHSA-qqjh-hw9j-392p"}],"sources":{"cve":[{"id":"CVE-2019-20791","description":"OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.","status":"published","published":"2020-04-28T17:35:52Z","modified":"2024-08-05T02:53:09.207Z","updated_at":"2026-11-02T14:20:17.722148Z"}],"euvd":[{"id":"EUVD-2019-11328","description":"OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.","status":"published","published":"2020-04-28T17:35:52Z","modified":"2024-08-05T02:53:09Z","updated_at":"2026-11-03T02:40:20.727542Z"}],"ghsa":[{"id":"GHSA-qqjh-hw9j-392p","title":"OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner:...","description":"OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.","status":"published","published":"2022-05-24T17:16:45Z","modified":"2023-01-29T05:02:29Z","updated_at":"2026-11-02T14:45:06.209197Z"}],"nvd":[{"id":"CVE-2019-20791","description":"OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.","status":"published","published":"2020-04-28T18:15:12.66Z","modified":"2026-06-17T02:31:12.183Z","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-787"],"updated_at":"2026-11-02T14:05:46.451008Z"}]}}