CVE-2026-3201

USB HID protocol dissector memory exhaustion in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gitlab.com/wireshark/wireshark/-/issues/20972	Exploit Issue Tracking Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2026-05.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:wireshark:wireshark::::::::
	cpe:2.3:a:wireshark:wireshark::::::::

History

26 Feb 2026, 14:49

Type	Values Removed	Values Added
References	~~() https://gitlab.com/wireshark/wireshark/-/issues/20972 -~~	() https://gitlab.com/wireshark/wireshark/-/issues/20972 - Exploit, Issue Tracking, Third Party Advisory
References	~~() https://www.wireshark.org/security/wnpa-sec-2026-05.html -~~	() https://www.wireshark.org/security/wnpa-sec-2026-05.html - Vendor Advisory
CPE		cpe:2.3:a:wireshark:wireshark::::::::
CWE		CWE-770
First Time		Wireshark wireshark Wireshark

25 Feb 2026, 15:22

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-25 15:20

Updated : 2026-02-26 14:49

NVD link : CVE-2026-3201

Mitre link : CVE-2026-3201

CVE.ORG link : CVE-2026-3201

JSON object : View

Products Affected

wireshark

wireshark

CWE

CWE-1325

Improperly Controlled Sequential Memory Allocation

CWE-770

Allocation of Resources Without Limits or Throttling

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