CVE Database›Document archive›CVE-2021-22173

CVE-2021-22173

wireshark: USB HID dissector memory leak

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Severity

Low

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · January 29, 2021

Updated · November 22, 2025

Description

Memory leak in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file

Statement

Wireshark as shipped with Red Hat Enterprise Linux 6, 7, and 8 is not affected by this flaw as the vulnerable code was introduced in a newer version of Wireshark.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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