CVE-2021-4186

PoC —

CVSS 3.1

7.5 high

EPSS

2%p81

Published

Dec 30, 2021 (Dec 30, 2021)

Modified

Jun 17, 2026

Description

Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Vendors: wireshark fedoraproject
Products: wireshark, fedora
Weakness: CWE-476
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 (2.1%)

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