CVE-2022-1201: Mruby

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Mruby Mruby: before 3.2 (fixed in 3.2)

Published 2022-04-02. Last modified 2026-06-17.