CVE-2022-0631: Mruby

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.

Affected products

• Mruby Mruby: before 3.2 (fixed in 3.2)

Published 2022-02-18. Last modified 2026-06-17.