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CVE-2021-4190 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-4190

CVE-2021-4190

HIGH7.5

Large loop in the Kafka dissector in Wireshark 3

Published Dec 30, 2021

Modified 5 months ago

Details

Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file

References

WEB

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4190.json

WEB

https://gitlab.com/wireshark/wireshark/-/issues/17811

WEB

https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html

ADVISORY

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

ADVISORY

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

ADVISORY

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

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-4190

WEB

https://www.wireshark.org/security/wnpa-sec-2021-22.html

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedDec 30, 2021

ModifiedNov 3, 2025