CVE-2021-4182

PoC —

CVSS 3.1

7.5 high

EPSS

3%p87

Published

Dec 30, 2021 (Dec 30, 2021)

Modified

Jun 17, 2026

Description

Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Vendors: wireshark fedoraproject oracle
Products: wireshark, fedora, http server, zfs storage appliance kit
Weakness: CWE-835
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 (3.2%)

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