{"cve":"CVE-2022-1201","nvd":{"published":"2022-04-02T08:15:06.913","modified":"2026-06-17T04:22:00.193","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","score":6.5},"cwes":["CWE-476"],"references":["https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae","https://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703b","https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae","https://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703b"],"products":["mruby:mruby"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2022-1201","score":0.00369,"percentile":0.30793,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}