CVE-2026-95391

wireshark: Use After Free in Wireshark

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 29, 2026

Updated · September 30, 2026

Description

A flaw was found in the ZigBee ZCL protocol dissector in Wireshark. This issue occurs when malformed packets are decoded from a pcap file or the network, causing a use-after-free, resulting in a denial of service.

Statement

This issue will cause a crash in Wireshark with no other security impact. Also, this flaw can only be exploited when malformed packets from a pcap file or the network are processed. Due to these reasons, this vulnerability has been rated with a moderate severity.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-416 · Use After Free