CVE-2020-26421

PoC —

CVSS 3.1

5.3 medium

EPSS

3%p84

Published

Dec 11, 2020 (Dec 11, 2020)

Modified

Jun 17, 2026

Description

Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.

Vendors: wireshark fedoraproject debian oracle
Products: wireshark, fedora, debian linux, zfs storage appliance kit
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (2.5%)

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