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wnpa-sec-2026-13 · AFP dissector crash

Summary

Name: AFP dissector crash

Docid: wnpa-sec-2026-13

Date: April 29, 2026

Affected versions: 4.6.0 to 4.6.4, 4.4.0 to 4.4.14

Fixed versions: 4.6.5, 4.4.15

References:

Wireshark issue 21088.
CVE-2026-5401.

Details

Description

The AFP protocol dissector could crash.

Impact

Discovered by Brendan Coles. 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 4.6.5, 4.4.15 or later.