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CVE-2021-4186

MEDIUM

6.3

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

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published12/30/2021

Last Modified11/3/2025

Sourcenvd

Honeypot Sightings0

Affected Products

fedoraproject:fedorawireshark:wireshark

Weaknesses (CWE)

CWE-476

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json(cve@gitlab.com)

https://gitlab.com/wireshark/wireshark/-/issues/17737(cve@gitlab.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/(cve@gitlab.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/(cve@gitlab.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/(cve@gitlab.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/(cve@gitlab.com)

https://security.gentoo.org/glsa/202210-04(cve@gitlab.com)

https://www.wireshark.org/security/wnpa-sec-2021-16.html(cve@gitlab.com)

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json(af854a3a-2127-422b-91ae-364da2661108)

https://gitlab.com/wireshark/wireshark/-/issues/17737(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202210-04(af854a3a-2127-422b-91ae-364da2661108)

https://www.wireshark.org/security/wnpa-sec-2021-16.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.