CVE-2021-3329: Zephyrproject Zephyr

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack

Affected products

• Zephyrproject Zephyr: version 2.4.0 only

Published 2023-02-26. Last modified 2026-06-17.