CVE-2021-4186
- State
- Published
- Severity
- 6.3 Medium
- Published
- Dec 30, 2021
- Updated
- Nov 3, 2025
- Reserved
- Dec 27, 2021
Description
Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L | GitLab |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
WiresharkWireshark Foundation |
|
References
- https://www.wireshark.org/security/wnpa-sec-2021-16.html
- https://gitlab.com/wireshark/wireshark/-/issues/17737
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json
- FEDORA-2022-a3d70b50f0vendor-advisory
- FEDORA-2022-1daf93c51dvendor-advisory
- FEDORA-2022-30411cb3c4vendor-advisory
- FEDORA-2022-48b86d586fvendor-advisory
- GLSA-202210-04vendor-advisory
- https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
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