CVE-2026-64539: Bluetooth: eir: Fix stack OOB write when prepending the Flags AD

Overview

Severity

Medium (CVSS 6)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-08-11

Last Updated

2026-09-24

EPSS Score

0.17% (percentile: 5.2%)

Affected Products (4)

Other

• 21626-17084
• 21684-17084
• 21892-17084
• 21932-17084

Revision History

• 2026-08-11: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-09-24: Information published.