CVE-2025-9817

HIGH

Wireshark 4.4.0-4.4.8 - Denial of Service via SSH Dissector

Title source: llm
STIX 2.1

Description

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

References (2)

Core 2
Core References
Issue Tracking issue-tracking permissions-required
https://gitlab.com/wireshark/wireshark/-/issues/20642

Scores

CVSS v3 7.8
EPSS 0.0004
EPSS Percentile 11.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-476
Status published
Products (3)
wireshark/wireshark 4.4.9 rc0
wireshark/wireshark 4.4.0 - 4.4.8
Wireshark Foundation/Wireshark 4.4.0 - 4.4.9
Published Sep 03, 2025
Tracked Since Feb 18, 2026