{"id":"CVE-2026-80186","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-80186","summary":"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…","details":"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.","published":"2026-08-25T22:17:07.587","modified":"2026-08-25T22:17:07.587","cvss":{"score":7.6,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-80186"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2524132"},{"type":"WEB","url":"https://github.com/bluez/bluez/security/advisories/GHSA-68h6-5qgp-3975"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-25T22:17:07.587"}}