CVE-2021-46020: Mruby

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An untrusted pointer dereference in mrb_vm_exec() of mruby v3.0.0 can lead to a segmentation fault or application crash.

Affected products

• Mruby Mruby: version 3.0.0 only

Published 2022-01-14. Last modified 2026-06-17.