CVE-2026-80186

highCVSS 7.6covered by 1 sourcefirst seen 2026-08-25

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.

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Advisory coverage (1)

highCVE-2026-80186: A stack-based buffer overflow vulnerability exists in BlueZ, the Linux Bluetooth protocol stac…nvd · 2026-08-25

External references

NVD record for CVE-2026-80186

CVE.org record

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