CVE-2021-4190
First published: Thu Dec 30 2021(Updated: )
Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=3.4.0<3.4.12 | |
| Wireshark Wireshark | =3.6.0 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 |
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Reference Links
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4190.json
- https://gitlab.com/wireshark/wireshark/-/issues/17811
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
- https://security.gentoo.org/glsa/202210-04
- https://www.wireshark.org/security/wnpa-sec-2021-22.html
Frequently Asked Questions
What is CVE-2021-4190?
CVE-2021-4190 refers to a vulnerability in the Kafka dissector in Wireshark 3.6.0 that allows denial of service via packet injection or crafted capture file.
How does CVE-2021-4190 impact Wireshark?
CVE-2021-4190 can lead to denial of service attacks on Wireshark 3.6.0 through packet injection or maliciously crafted capture files.
What is the severity of CVE-2021-4190?
CVE-2021-4190 has a severity rating of 7.5 (high).
Which software versions are affected by CVE-2021-4190?
Wireshark versions 3.4.0 to 3.4.12 and version 3.6.0 are affected by CVE-2021-4190.
How can I fix CVE-2021-4190?
Updating Wireshark to a version beyond 3.6.0 or applying the necessary patches will fix CVE-2021-4190.
- collector/nvd-index
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/tags
- agent/description
- agent/type
- agent/event
- agent/remedy
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/3.4.0
- version/wireshark wireshark/3.6.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35