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7.8HIGH

CVE-2025-9817 — SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service

Wireshark · Wireshark · Published 3 Sept 2025 · Modified 26 Sept 2026

Description

SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service

References

What to do
  1. Check whether Wireshark is in your asset inventory.
  2. Patch in the next maintenance window; prioritise internet-facing systems.
  3. Record the decision in your risk register for audit evidence.
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Link: adminadda.com/cve/CVE-2025-9817