CVE-2021-3433: Zephyrproject Zephyr

Low severity, CVSS 3.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Invalid channel map in CONNECT_IND results to Deadlock. Zephyr versions >= v2.5.0 Improper Check or Handling of Exceptional Conditions (CWE-703). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3c2f-w4v6-qxrp

Affected products

• Zephyrproject Zephyr: from 2.5.0, before 2.6.0 (fixed in 2.6.0)

Published 2022-06-28. Last modified 2026-06-17.