What is CVE-2026-11742?

CVE-2026-11742 is a low-severity vulnerability in Zephyrproject Zephyr, classified under Use After Free. CVSS score: 3.6/10. Published 2026-08-07.

How severe is CVE-2026-11742?

Low severity. CVSS v3 base score is 3.6 out of 10.

Use After Free in Zephyrproject Zephyr

CVE-2026-11742

The kernel queue helper z_queue_node_peek() in kernel/queue.c dereferences a node taken from a queue's data_q list, reading the node's flag byte and, for items enqueued via k_queue_alloc_append/alloc_prepend, the data pointer of an interna…

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 3.6 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L.

Affected products

Zephyrproject Zephyr — versions 1.12.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

vulnerabilities@zephyrproject.org (patch)
vulnerabilities@zephyrproject.org

Frequently asked questions

What is CVE-2026-11742?: CVE-2026-11742 is a low-severity vulnerability in Zephyrproject Zephyr, classified under Use After Free. CVSS score: 3.6/10. Published 2026-08-07.
How severe is CVE-2026-11742?: Low severity. CVSS v3 base score is 3.6 out of 10.