CVE-2025-9558

There is a potential OOB Write vulnerability in the gen_prov_start function in pb_adv.c. The full length of the received data is copied into the link.rx.buf receiver buffer without any validation on the data size.

Score

CVSS 3.1 7.6 High

Status

Deferred - vulnerabilities@zephyrproject.org

Published

2025-11-26

Last modified

2026-10-13

Weaknesses

CWE-120

Affected products

• Zephyr (Zephyrproject-rtos)

References

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8wvr-688x-68vr