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wnpa-sec-2026-95 · PEAK CAN TRC file parser crash

Summary

Name: PEAK CAN TRC file parser crash

Docid: wnpa-sec-2026-95

Date: September 23, 2026

Affected versions: 4.6.0 to 4.6.8

Fixed versions: 4.6.9

References:

Wireshark issue 21503.
CVE-2026-95390.

Details

Description

The PEAK CAN TRC file parser could crash.

Impact

Discovered by Daniel Birtwhistle. We are unaware of any exploits for this issue. It may be possible to make Wireshark crash by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 4.6.9 or later.