#VU123276 Uncontrolled Memory Allocation in Wireshark - CVE-2026-3201

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Main Vulnerability Database Vulnerabilities #VU123276

#VU123276 Uncontrolled Memory Allocation in Wireshark - CVE-2026-3201

Published: February 26, 2026


Vulnerability identifier: #VU123276
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-3201
CWE-ID: CWE-789
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Wireshark
Software vendor:
Wireshark.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to USB HID protocol dissector memory exhaustion. A remote attacker can trick a victim to open a specially crafted packet trace file and cause a denial of service (DoS) condition on the target system.


Remediation

Install updates from vendor's website.

External links