---
id: CVE-2026-105460
title: A flaw was found in BlueZ
summary: >-
  A flaw was found in BlueZ. An out-of-bounds read vulnerability exists in the
  btmon Bluetooth monitor tool when processing crafted HCI Return Link Keys
  events. A maliciously crafted btsnoop capture file can specify a large number
  of link …
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-125
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T16:17:11.870'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105460'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-105460'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2545923'
    label: secalert@redhat.com
  - url: 'https://redhat.atlassian.net/browse/PSIRTSUPT-24932'
    label: secalert@redhat.com
tags:
  - nvd
ingestedAt: '2026-10-13T16:35:46.739Z'
---

## Overview

A flaw was found in BlueZ. An out-of-bounds read vulnerability exists in the btmon Bluetooth monitor tool when processing crafted HCI Return Link Keys events. A maliciously crafted btsnoop capture file can specify a large number of link keys that exceeds the actual packet data, causing btmon to read beyond the allocated buffer and crash.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.