CVE-2021-22174

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Crash in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
The Wireshark Foundation	Wireshark	>=3.4.0, <3.4.3

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22174.jsonThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17165Exploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GND3PIQC3KZALR227V4YUMPKJBA5BZG4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYXLKQJ3D632XSG6VO7M4YFDAG6GRCLY/
https://security.gentoo.org/glsa/202107-21Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-02.htmlVendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22174.jsonThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17165Exploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GND3PIQC3KZALR227V4YUMPKJBA5BZG4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYXLKQJ3D632XSG6VO7M4YFDAG6GRCLY/
https://security.gentoo.org/glsa/202107-21Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-02.htmlVendor Advisory

Timeline

Published: Feb 17, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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