CVE-2026-96421

USB HID protocol dissector infinite loop and memory leak in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

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/-/work_items/21566	Exploit Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2026-103.html	Vendor Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21566	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

06 Oct 2026, 14:42

Type	Values Removed	Values Added
CPE		cpe:2.3:a:wireshark:wireshark::::::::
First Time		Wireshark Wireshark wireshark
References	~~() https://gitlab.com/wireshark/wireshark/-/work_items/21566 -~~	() https://gitlab.com/wireshark/wireshark/-/work_items/21566 - Exploit, Vendor Advisory
References	~~() https://www.wireshark.org/security/wnpa-sec-2026-103.html -~~	() https://www.wireshark.org/security/wnpa-sec-2026-103.html - Vendor Advisory

29 Sep 2026, 16:17

Type	Values Removed	Values Added
References	~~() https://gitlab.com/wireshark/wireshark/-/work_items/21566 -~~	() https://gitlab.com/wireshark/wireshark/-/work_items/21566 -

29 Sep 2026, 10:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-29 10:17

Updated : 2026-10-06 14:42

NVD link : CVE-2026-96421

Mitre link : CVE-2026-96421

CVE.ORG link : CVE-2026-96421

JSON object : View

Products Affected

wireshark

wireshark

CWE

CWE-1325

Improperly Controlled Sequential Memory Allocation

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