CVE-2022-0623: Mruby

Critical severity, CVSS 9.1. EPSS: 1.6% chance of exploitation in the next 30 days.

Out-of-bounds Read in Homebrew mruby prior to 3.2.

Affected products

• Mruby Mruby: before 3.2 (fixed in 3.2)

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