{"id":"CVE-2020-36401","details":"mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).","modified":"2026-08-18T13:54:22.011196Z","published":"2021-07-01T03:15:07.820Z","references":[{"type":"ADVISORY","url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml"},{"type":"FIX","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801"},{"type":"FIX","url":"https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mruby/mruby","events":[{"introduced":"0"},{"last_affected":"1a9bdfcde5fd7c91e756747ba0565f29385115a7"}],"database_specific":{"cpe":"cpe:2.3:a:mruby:mruby:2.1.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.1.2"}],"source":"CPE_FIELD"}}],"versions":["2.1.2","2.1.2-rc2","2.1.2-rc","1.2.0","1.1.0","1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-36401.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}