What is CVE-2026-10659?

CVE-2026-10659 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under NULL Pointer Dereference. CVSS score: 4.7/10. Published 2026-07-07.

How severe is CVE-2026-10659?

Medium severity. CVSS v3 base score is 4.7 out of 10.

NULL pointer dereference in Zephyrproject Zephyr

CVE-2026-10659

The Dhara flash translation layer disk driver (drivers/disk/ftl_dhara.c) implemented the dhara_nand_ callbacks so that, on a flash error, the error code was written unconditionally through the caller-supplied dhara_error_t err pointer (e.g…

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Zephyrproject Zephyr — versions 4.4.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

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

Frequently asked questions

What is CVE-2026-10659?: CVE-2026-10659 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under NULL Pointer Dereference. CVSS score: 4.7/10. Published 2026-07-07.
How severe is CVE-2026-10659?: Medium severity. CVSS v3 base score is 4.7 out of 10.