Denial of Service Vulnerability in Wireshark ZigBee Protocol Dissector
CVE-2026-6537

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
30 April 2026

What is CVE-2026-6537?

A denial of service vulnerability exists in the ZigBee protocol dissector of Wireshark versions 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14. This vulnerability can be exploited to cause a crash in the program, leading to potential disruptions in network monitoring activities. Users are advised to upgrade to the latest version to mitigate this issue. Additional details can be found in the official Wireshark security advisory and issue tracking documentation.

Affected Version(s)

Wireshark 4.6.0 < 4.6.5

Wireshark 4.4.0 < 4.4.15

References

https://www.wireshark.org/security/wnpa-sec-2026-24.html
https://gitlab.com/wireshark/wireshark/-/issues/21125
issue-trackingpermissions-required

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Duc Anh Nguyen
.