CVE-2025-9817
HIGH
2025-09-03
[email protected]
7.8
CVSS 3.1
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CVSS Vector
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
Lifecycle Timeline
3
Patch Released
Apr 09, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 19:10 vuln.today
CVE Published
Sep 03, 2025 - 08:15 nvd
HIGH 7.8
Description
SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service
Analysis
SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Technical Context
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service Affected products include: Wireshark.
Affected Products
Wireshark.
Remediation
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
Priority Score
39
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0
Vendor Status
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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