CVE-2025-4444

A security flaw has been discovered in Tor up to 0.4.7.16/0.4.8.17. Impacted is an unknown function of the component Onion Service Descriptor Handler. Performing manipulation results in resource consumption. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is considered difficult. Upgrading to version 0.4.8.18 and 0.4.9.3-alpha is recommended to address this issue. It is recommended to upgrade the affected component.

CVSS v3 3.7 LOW
CVSS v2.0 2.6 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:N/C:N/I:N/A:P

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://forum.torproject.org/t/alpha-and-stable-release-0-4-8-18-and-0-4-9-3-alpha/20578
https://github.com/chunmianwang/Tordos
https://gitlab.torproject.org/tpo/core/tor/-/raw/release-0.4.8/ReleaseNotes
https://vuldb.com/?ctiid.324814
https://vuldb.com/?id.324814
https://vuldb.com/?submit.640605

Configurations

No configuration.

History

18 Sep 2025, 14:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-09-18 14:15

Updated : 2025-09-19 16:00

NVD link : CVE-2025-4444

Mitre link : CVE-2025-4444

CVE.ORG link : CVE-2025-4444

JSON object : View

Products Affected

No product.

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-404

Improper Resource Shutdown or Release

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