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CVE Vulnerability Details :
CVE-2025-9817
PUBLISHED
More InfoOfficial Page
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
View Known Exploited Vulnerability (KEV) details
Published At-03 Sep, 2025 | 07:38
Updated At-04 Sep, 2025 | 03:55
Rejected At-
▼CVE Numbering Authority (CNA)
NULL Pointer Dereference in Wireshark

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

Affected Products
Vendor
Wireshark FoundationWireshark Foundation
Product
Wireshark
Default Status
unaffected
Versions
Affected
  • From 4.4.0 before 4.4.9 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-476CWE-476: NULL Pointer Dereference
Type: CWE
CWE ID: CWE-476
Description: CWE-476: NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Upgrade to version 4.4.9 or above

Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.wireshark.org/security/wnpa-sec-2025-03.html
N/A
https://gitlab.com/wireshark/wireshark/-/issues/20642
issue-tracking
permissions-required
Hyperlink: https://www.wireshark.org/security/wnpa-sec-2025-03.html
Resource: N/A
Hyperlink: https://gitlab.com/wireshark/wireshark/-/issues/20642
Resource:
issue-tracking
permissions-required
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found