CVE-2023-2234: Zephyrproject Zephyr

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.

Affected products

• Zephyrproject Zephyr: up to and including 3.3.0

Published 2023-07-10. Last modified 2026-06-17.