CVE-2026-5590 | zephyrproject-rtos Zephyr up to 4.3 TCP Connection tcp_recv null pointer dereference (GHSA-4vqm-pw24-g9jp)

A vulnerability labeled as problematic has been found in zephyrproject-rtos Zephyr up to 4.3. This impacts the function tcp_recv of the component TCP Connection Handler. The manipulation results in null pointer dereference.

This vulnerability is identified as CVE-2026-5590. The attack can be executed remotely. There is not any exploit available.