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CVE-2021-4182

Published: 30 December 2021

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

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
wireshark
Launchpad, Ubuntu, Debian
impish Ignored
(end of life)
trusty Needs triage

upstream
Released (3.6.1,3.4.11)
xenial Not vulnerable
(2.6.10-1~ubuntu16.04.0)
bionic Not vulnerable
(2.6.10-1~ubuntu18.04.0)
focal Not vulnerable
(3.2.3-1)
hirsute Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H