CVE-2023-0397: Zephyrproject Zephyr

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

Affected products

• Zephyrproject Zephyr: up to and including 3.2.0

Published 2023-01-19. Last modified 2026-06-17.