CVE-2023-6249: Zephyrproject Zephyr

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Signed to unsigned conversion esp32_ipm_send

Affected products

• Zephyrproject Zephyr: before 3.5.0 (fixed in 3.5.0); version 3.5.0 only

Published 2024-02-18. Last modified 2026-06-17.