CVE-2025-4444— Tor Onion Service Descriptor resource consumption
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I. Basic Information for CVE-2025-4444
Vulnerability Information
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Vulnerability Title
Tor Onion Service Descriptor resource consumption
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tor是Tor Project组织的一个虚拟隧道网络。允许个人和团体提高他们在 Internet 上的隐私和安全性。 Tor 0.4.7.16及之前版本和0.4.8.17及之前版本存在安全漏洞，该漏洞源于Onion Service Descriptor Handler组件存在资源消耗问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Tor | 0.4.7.0 | - |
II. Public POCs for CVE-2025-4444
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2025-09-18 · 10 CVEs total
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V. Comments for CVE-2025-4444
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