CVE-2023-4263: Zephyrproject Zephyr

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

Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver

Affected products

• Zephyrproject Zephyr: up to and including 3.4.0

Published 2023-10-13. Last modified 2026-06-17.