wnpa-sec-2026-85 · SSH protocol dissector crash
Summary
Name: SSH protocol dissector crash
Docid: wnpa-sec-2026-85
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 21465.
Details
Description
The SSH protocol dissector could crash.
Impact
Discovered by BreachX Zero Day Labs. 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 capture file.
Resolution
Upgrade to Wireshark 4.6.8, 4.4.18 or later.
