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wnpa-sec-2026-104 · RF4CE protocol dissector crash

Summary

Name: RF4CE protocol dissector crash

Docid: wnpa-sec-2026-104

Date: September 23, 2026

Affected versions: 4.6.0 to 4.6.8, 4.4.0 to 4.4.18

Fixed versions: 4.6.9, 4.4.19

References:

Wireshark issue 21574.
CVE-2026-96417.

Details

Description

The RF4CE protocol dissector could crash.

Impact

Discovered by Trend Micro's Zero Day Initiative. We are unaware of any exploits for this issue. It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 4.6.9, 4.4.19 or later.