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wnpa-sec-2026-65 · Sharkd utility crash

Summary

Name: Sharkd utility crash

Docid: wnpa-sec-2026-65

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 21399.

Details

Description

The sharkd utility could crash.

Impact

Discovered by Claude and Ada Logics. We are unaware of any exploits for this issue. It may be possible to make sharkd crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet capture file.

Resolution

Upgrade to Wireshark 4.6.8, 4.4.18 or later.