CVE-2023-5139: Zephyrproject Zephyr

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver

Affected products

• Zephyrproject Zephyr: up to and including 3.4.0

Published 2023-10-26. Last modified 2026-06-17.