CVE-2025-9817

HIGH EPSS 9.3%
Published Sep 3, 202510mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 3, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
9.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 2

VendorProductVersionRange
wiresharkwireshark*≥4.4.0  –  ≤4.4.8
wiresharkwireshark4.4.9any

References 2

  • gitlab.com https://gitlab.com/wireshark/wireshark/-/issues/20642
    Issue Tracking
  • wireshark.org https://www.wireshark.org/security/wnpa-sec-2025-03.html
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.