CVE-2026-80186

7.6 highEPSS 0.5%

High (7.6). EPSS 0.5% chance of exploitation in the next 30 days.

A stack-based buffer overflow vulnerability exists in BlueZ, the Linux Bluetooth protocol stack. A remote user within Bluetooth radio range can send a specially crafted Extended Inquiry Response (EIR) packet that causes a buffer overflow when the target device performs Bluetooth discovery. This vulnerability can lead to a Denial of Service (DoS) by crashing the bluetoothd service and may allow for arbitrary code execution.

Severity

CVSS 3.1

7.6 high

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2026-08-25
Modified: 2026-08-28
Record from: the NVD, synced 2026-10-19

References

https://access.redhat.com/security/cve/CVE-2026-80186
https://bugzilla.redhat.com/show_bug.cgi?id=2524132
https://github.com/bluez/bluez/security/advisories/GHSA-68h6-5qgp-3975

Check your stack JSON