CVE-2021-4186
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-4186
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-4186.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-4186
- Downstream
- Related
- Published
- 2021-12-30T22:15:10Z
- Modified
- 2025-09-19T13:26:11.277116Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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
- References
-
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json
- https://gitlab.com/wireshark/wireshark/-/issues/17737
- https://security.gentoo.org/glsa/202210-04
- https://www.wireshark.org/security/wnpa-sec-2021-16.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
Affected packages
Git / github.com/wireshark/wireshark
Affected versions
v3.*
v3.4.0
v3.4.1
v3.4.10
v3.4.10rc0
v3.4.1rc0
v3.4.2
v3.4.2rc0
v3.4.3
v3.4.3rc0
v3.4.4
v3.4.4rc0
v3.4.5
v3.4.5rc0
v3.4.6
v3.4.6rc0
v3.4.7
v3.4.7rc0
v3.4.8
v3.4.8rc0
v3.4.9
v3.4.9rc0
wireshark-3.*
wireshark-3.4.0
wireshark-3.4.1
wireshark-3.4.10
wireshark-3.4.2
wireshark-3.4.3
wireshark-3.4.4
wireshark-3.4.5
wireshark-3.4.6
wireshark-3.4.7
wireshark-3.4.8
wireshark-3.4.9