{"id":"CVE-2020-6839","aliases":["EUVD-2020-27982","GHSA-24vp-v896-cq3c","UBUNTU-CVE-2020-6839"],"status":"published","title":"In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in string.c.","description":"In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in 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Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6839"},{"url":"https://github.com/advisories/GHSA-24vp-v896-cq3c"},{"url":"https://ubuntu.com/security/CVE-2020-6839","tags":["report"]},{"url":"https://github.com/mruby/mruby/commit/2124b9b4c95e66e63b1eb26a8dab49753b82fd6c","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-6839","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-6839","description":"In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in string.c.","status":"published","published":"2020-01-11T02:05:59Z","modified":"2024-08-04T09:11:05.152Z","updated_at":"2026-11-02T14:35:52.592504Z"}],"euvd":[{"id":"EUVD-2020-27982","description":"In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in 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string.c.","status":"published","published":"2020-01-11T03:15:00Z","modified":"2026-10-17T12:56:57.114812032Z","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"}],"updated_at":"2026-11-02T15:54:25.728622Z"}]}}