CVE-2025-9817

HIGH

Wireshark < 4.4.8 - NULL Pointer Dereference

Title source: rule

Description

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

Scores

CVSS v3 7.8
EPSS 0.0003
EPSS Percentile 8.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

CWE
CWE-476
Status published

Affected Products (2)

wireshark/wireshark < 4.4.8
wireshark/wireshark

Timeline

Published Sep 03, 2025
Tracked Since Feb 18, 2026