{"id":"CVE-2022-1201","summary":"NULL Pointer Dereference in mrb_vm_exec with super in mruby/mruby","details":"NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the system.","modified":"2026-08-12T12:59:05.961477Z","published":"2022-04-02T07:45:34Z","database_specific":{"cna_assigner":"@huntrdev","cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1201.json"},"references":[{"type":"WEB","url":"https://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1201.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1201"},{"type":"FIX","url":"https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mruby/mruby","events":[{"introduced":"0"},{"fixed":"87260e7bb1a9edfb2ce9b41549c4142129061ca5"},{"fixed":"00acae117da1b45b318dc36531a7b0021b8097ae"}],"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":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-1201.json","vanir_signatures_modified":"2026-08-12T12:59:05Z","vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["179525370878760998072609635129890595634","13482419406641249321845258079091709333","259404867586065736235106022543442769453","80578160588035345591188747966116207148"],"threshold":0.9},"id":"CVE-2022-1201-8adae72d","signature_type":"Line","signature_version":"v1","source":"https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae","target":{"file":"src/vm.c"}},{"signature_type":"Function","signature_version":"v1","source":"https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae","target":{"file":"src/vm.c","function":"mrb_vm_exec"},"deprecated":false,"digest":{"function_hash":"69922871808566938961439703307463367988","length":36863},"id":"CVE-2022-1201-fd519e20"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"}]}