{"cve":"CVE-2021-4110","nvd":{"published":"2021-12-15T05:15:08.323","modified":"2026-06-17T04:19:03.153","status":"Modified","description":"mruby is vulnerable to NULL Pointer Dereference","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-476"],"references":["https://github.com/mruby/mruby/commit/f5e10c5a79a17939af763b1dcf5232ce47e24a34","https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20","https://github.com/mruby/mruby/commit/f5e10c5a79a17939af763b1dcf5232ce47e24a34","https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20"],"products":["mruby:mruby"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-4110","score":0.01689,"percentile":0.77051,"date":"2026-10-31"},"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."]}