CVE-2021-4022: Rizin

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was found in rizin. The bug involves an ELF64 binary for the HPPA architecture. When a specially crafted binarygets analysed by rizin, it causes rizin to crash by freeing an uninitialized (and potentially user controlled, depending on the build) memory address.

Affected products

• Rizin Rizin: up to and including 0.3.1

Published 2022-08-25. Last modified 2026-06-17.