CVE-2026-3201 MEDIUM

CVE-2026-3201: Improperly Controlled Sequential Memory Allocation in Wireshark

Vendor Wireshark Foundation
Product Wireshark
Weakness CWE-1325
Published February 25, 2026
Last update March 27, 2026

CVSS base score

4.7/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

February 25, 2026 CVE published
March 27, 2026 Record updated