CVE-2023-0396: Zephyrproject Zephyr

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.

Affected products

• Zephyrproject Zephyr: up to and including 3.2.0

Published 2023-01-25. Last modified 2026-06-17.