Input validation error in Wireshark - CVE-2026-95391
Published: September 24, 2026
Vulnerability identifier: #VU151902
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-95391
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the ZigBee ZCL protocol dissector when processing malformed packets. A remote attacker can inject a malformed packet onto the wire or convince a user to open a malformed packet trace file to cause a denial of service.
Affected software
Wireshark
How to mitigate CVE-2026-95391
Install security update from vendor's website.
Wireshark - update to 4.6.9