CVE-2025-9817
NULL Pointer Dereference in Wireshark
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
9th
SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service
| CWE | CWE-476 |
| Vendor | wireshark foundation |
| Product | wireshark |
| Published | Sep 3, 2025 |
| Last Updated | Mar 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Wireshark Foundation / Wireshark
4.4.0 < 4.4.9