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

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Wireshark Foundation Wireshark unaffected
Version Status Constraints
4.6.0 affected < 4.6.4
4.4.0 affected < 4.4.14

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

Upgrade to version 4.6.4 or above

Workaround

No workaround given by the vendor.

References
Link Providers
https://gitlab.com/wireshark/wireshark/-/issues/20972 cve-icon cve-icon
https://www.wireshark.org/security/wnpa-sec-2026-05.html cve-icon cve-icon
History

Wed, 25 Feb 2026 14:45:00 +0000

Type Values Removed Values Added
Description 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
Title Improperly Controlled Sequential Memory Allocation in Wireshark
Weaknesses CWE-1325
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-02-25T14:35:50.969Z

Reserved: 2026-02-25T14:35:36.231Z

Link: CVE-2026-3201

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-25T15:20:55.617

Modified: 2026-02-25T15:22:44.317

Link: CVE-2026-3201

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses