wnpa-sec-2025-03 · SSH dissector crash
Summary
Name: SSH dissector crash
Docid: wnpa-sec-2025-03
Date: Agust 27, 2025
Affected versions: 4.4.0 to 4.4.8
Fixed versions: 4.4.9
References:
Wireshark issue 20642.
CVE-2025-9817.
Details
Description
The SSH 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 4.4.9 or later.