CVE-2021-22173

PoC —

CVSS 3.1

7.5 high

EPSS

2%p83

Published

Feb 17, 2021 (Feb 17, 2021)

Modified

Jun 17, 2026

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

Vendors: wireshark fedoraproject oracle
Products: wireshark, fedora, zfs storage appliance
Weakness: CWE-401
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.4%)

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