Buffer overflow in Zephyrproject Zephyr

CVE-2026-10660

The Bluetooth BAP Broadcast Assistant GATT client in subsys/bluetooth/audio/bap_broadcast_assistant.c reassembled remote Broadcast Receive State data into a single file-static net_buf_simple (att_buf, BT_ATT_MAX_ATTRIBUTE_LEN = 512 bytes)…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-10660?
CVE-2026-10660 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Out-of-bounds Write. CVSS score: 6.4/10. Published 2026-07-11.
How severe is CVE-2026-10660?
Medium severity. CVSS v3 base score is 6.4 out of 10.