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wnpa-sec-2025-05 · BPv7 dissector crash

Summary

Name: BPv7 dissector crash

Docid: wnpa-sec-2025-05

Date: November 19, 2025

Affected versions: 4.6.0

Fixed versions: 4.6.1

References:

Wireshark issue 20770.

Details

Description

The BPv7 dissector could crash

Impact

Discovered in our internal testing environment. 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 4.6.1 or later.