CVE-2021-4184

Published: Dec 30, 2021Modified: Nov 3, 2025

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Infinite loop in the BitTorrent DHT 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

Affected (8)

Products: Wireshark: Wireshark · Fedoraproject: Fedora · Debian: Debian Linux · +1 more

Show all products

Wireshark: Wireshark · Fedoraproject: Fedora · Debian: Debian Linux · Oracle: Http Server, Zfs Storage Appliance Kit

1 product

1 product

1 product

2 products

Zfs Storage Appliance Kit

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Wireshark Wireshark	From 3.4.0 to 3.4.10
Wireshark Wireshark	Version 3.6.0

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 34
Fedoraproject Fedora	Version 35

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Configuration D

3 vulnerable

Vulnerable Software	Affected Versions
Oracle Http Server	Version 12.2.1.3.0
Oracle Http Server	Version 12.2.1.4.0
Oracle Zfs Storage Appliance Kit	Version 8.8

Related CWEs

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

References (17)

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4184.json

Source: cve@gitlab.com

Third Party Advisory

https://gitlab.com/wireshark/wireshark/-/issues/17754

Source: cve@gitlab.com

ExploitIssue TrackingThird Party Advisory

https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html

Source: cve@gitlab.com

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/

Source: cve@gitlab.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/

Source: cve@gitlab.com

https://security.gentoo.org/glsa/202210-04

Source: cve@gitlab.com

Third Party Advisory

https://www.oracle.com/security-alerts/cpuapr2022.html

Source: cve@gitlab.com

Third Party Advisory

https://www.wireshark.org/security/wnpa-sec-2021-18.html

Source: cve@gitlab.com

Vendor Advisory

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4184.json