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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-4186 Detail

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


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json CVE, GitLab Inc. Third Party Advisory 
https://gitlab.com/wireshark/wireshark/-/issues/17737 CVE, GitLab Inc. Exploit  Issue Tracking  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/ CVE, GitLab Inc.
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/ CVE, GitLab Inc.
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/ CVE, GitLab Inc.
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/ CVE, GitLab Inc.
https://security.gentoo.org/glsa/202210-04 CVE, GitLab Inc. Third Party Advisory 
https://www.wireshark.org/security/wnpa-sec-2021-16.html CVE, GitLab Inc. Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-4186
NVD Published Date:
12/30/2021
NVD Last Modified:
11/21/2024
Source:
GitLab Inc.