CVE-2021-4182

7.5 HIGH
Published: December 30, 2021 Modified: November 03, 2025

Description

Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17801
Source: cve@gitlab.com
Exploit Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202210-04
Source: cve@gitlab.com
Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Source: cve@gitlab.com
Patch Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-20.html
Source: cve@gitlab.com
Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4182.json
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17801
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202210-04
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-20.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

15 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.0%
13th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

oracle wireshark fedoraproject