{"id":"CVE-2020-6840","details":"In mruby 2.1.0, there is a use-after-free in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c.","modified":"2026-10-20T10:53:29.644222048Z","published":"2020-01-11T03:15:11.090Z","database_specific":{},"references":[{"type":"FIX","url":"https://github.com/mruby/mruby/issues/4927"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mruby/mruby","events":[{"introduced":"57a56ddaa26d1bb7d67c8dde435b2e08dc17290f"},{"last_affected":"57a56ddaa26d1bb7d67c8dde435b2e08dc17290f"}],"database_specific":{"extracted_events":[{"source":"CPE_STRING","cpe":"cpe:2.3:a:mruby:mruby:2.1.0:*:*:*:*:*:*:*","range":[{"introduced":"2.1.0"},{"last_affected":"2.1.0"}]}]}}],"versions":["2.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6840.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}