CVE-2022-1071: Mruby

High severity, CVSS 8.2. EPSS: 0.9% chance of exploitation in the next 30 days.

User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.

Affected products

• Mruby Mruby: up to and including 3.1

Published 2022-03-26. Last modified 2026-06-17.