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CVE-2026-80186 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.6 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-80186 [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2524132 [email protected]
https://github.com/bluez/bluez/security/advisories/GHSA-68h6-5qgp-3975 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-80186
NVD Published Date:
Aug 25, 2026
NVD Last Modified:
Aug 28, 2026
Source:
[email protected]
CVE-2026-80186 Details - Not Deferred