CVE-2026-6534

April 30, 2026, 3:10 p.m.

5.5
Medium

Description

USB HID protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Product(s) Impacted

Vendor Product Versions
Wireshark
  • Wireshark
  • 4.6.0-4.6.4, 4.4.0-4.4.14

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a wireshark wireshark 4.6.0-4.6.4 / / / / / / /
a wireshark wireshark 4.4.0-4.4.14 / / / / / / /

References

https://gitlab.com/wireshark/wireshark/-/issues/21121
https://www.wireshark.org/security/wnpa-sec-2026-27.html
https://gitlab.com/wireshark/wireshark/-/work_items/21121

Tags

CWE-835
[email protected]
2026-04-30
CVE-2026-6534

CVSS Score

5.5 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: April 30, 2026, 7:16 a.m.
Last Modified: April 30, 2026, 3:10 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.