CVE-2023-4264: Zephyrproject Zephyr

Critical severity, CVSS 9.6. EPSS: 1.1% chance of exploitation in the next 30 days.

Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.

Affected products

• Zephyrproject Zephyr: up to and including 3.4.0

Published 2023-09-27. Last modified 2026-06-17.