{"id":"CVE-2020-6839","details":"In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in string.c.","modified":"2026-04-10T04:27:57.909820Z","published":"2020-01-11T03:15:11.027Z","references":[{"type":"EVIDENCE","url":"https://github.com/mruby/mruby/issues/4929"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mruby/mruby","events":[{"introduced":"0"},{"last_affected":"57a56ddaa26d1bb7d67c8dde435b2e08dc17290f"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.1.0"}]}}],"versions":["1.0.0","1.1.0","1.2.0","2.0.1","2.1.0","2.1.0-rc"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6839.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}