CVE-2021-4182

HIGH

Wireshark < 3.4.11 - Infinite Loop

Title source: rule
STIX 2.1

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

Scores

CVSS v3 7.5
EPSS 0.0004
EPSS Percentile 12.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-835
Status published
Products (7)
fedoraproject/fedora 34
fedoraproject/fedora 35
oracle/http_server 12.2.1.3.0
oracle/http_server 12.2.1.4.0
oracle/zfs_storage_appliance_kit 8.8
wireshark/wireshark 3.6.0
wireshark/wireshark 3.4.0 - 3.4.11
Published Dec 30, 2021
Tracked Since Feb 18, 2026