CVE-2021-39924

wireshark: bluetooth DHT dissector large loop

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · November 17, 2021

Updated · November 22, 2025

Description

A flaw was found in Wireshark. A process failure on crafted or malformed Bluetooth DHT input can cause a denial of service via packet injection or a crafted capture file.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-400 · Uncontrolled Resource Consumption