{"id":"CVE-2022-1427","summary":"Out-of-bounds Read in mrb_obj_is_kind_of in in mruby/mruby","details":"Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible arbitrary code execution if being exploited.","modified":"2026-08-12T12:59:22.763161Z","published":"2022-04-22T23:35:09Z","related":["openSUSE-SU-2024:12703-1"],"database_specific":{"cwe_ids":["CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1427.json","cna_assigner":"@huntrdev"},"references":[{"type":"WEB","url":"https://huntr.dev/bounties/23b6f0a9-64f5-421e-a55f-b5b7a671f301"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1427.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1427"},{"type":"FIX","url":"https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6b"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mruby/mruby","events":[{"introduced":"0"},{"fixed":"87260e7bb1a9edfb2ce9b41549c4142129061ca5"},{"fixed":"a4d97934d51cb88954cc49161dc1d151f64afb6b"}],"database_specific":{"cpe":"cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.2"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["3.2.0-rc4","3.2.0-rc3","3.2.0-rc2","3.2.0-rc","3.0.0-preview","1.2.0","1.1.0","1.0.0"],"database_specific":{"vanir_signatures":[{"source":"https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6b","target":{"file":"src/vm.c"},"deprecated":false,"digest":{"line_hashes":["274897730736599172300393761607690364601","114505310980829003185247294382787175915","328460978894717266751832353720647019275","121959288326405335795002475439309251702","151478879360363565026253165704791508383","240876779431397858588313707891399372694","93497875677963914506759734546554822451"],"threshold":0.9},"id":"CVE-2022-1427-00babb97","signature_type":"Line","signature_version":"v1"},{"target":{"file":"src/vm.c","function":"mrb_vm_exec"},"deprecated":false,"digest":{"function_hash":"211157522779924650861730827363715872994","length":37204},"id":"CVE-2022-1427-ef637459","signature_type":"Function","signature_version":"v1","source":"https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6b"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-1427.json","vanir_signatures_modified":"2026-08-12T12:59:22Z"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"}]}