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wnpa-sec-2026-71 · Tektronix K12xx file parser crash

Summary

Name: Tektronix K12xx file parser crash

Docid: wnpa-sec-2026-71

Date: August 12, 2026

Affected versions: 4.6.0 to 4.6.7, 4.4.0 to 4.4.17

Fixed versions: 4.6.8, 4.4.18

References:

Wireshark issue 21414.

Details

Description

The Tektronix K12xx file parser could crash.

Impact

Discovered by Jaime Cavero. 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 capture file.

Resolution

Upgrade to Wireshark 4.6.8, 4.4.18 or later.