CVE-2025-4444— Tor Onion Service Descriptor resource consumption
Quick assessment
Affected
n/a Tor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
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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Other References for CVE-2025-4444 (1)
Same Patch Batch · n/a · 2025-09-18 · 10 CVEs total
| CVE-2025-50255 | 7.8 HIGH | BPC Banking SmartVista Suite 安全漏洞 |
| CVE-2025-10669 | 6.3 MEDIUM | Airsonic-Advanced Playlist Upload unrestricted upload |
| CVE-2025-10662 | 4.7 MEDIUM | SeaCMS admin_members.php sql injection |
| CVE-2023-49367 | Kyocera Command Center RX EXOSYS M5521cdn 安全漏洞 | |
| CVE-2025-55912 | ClipBucket 安全漏洞 | |
| CVE-2025-55911 | ClipBucket 安全漏洞 | |
| CVE-2025-57452 | realme Clone Phone APP 安全漏洞 | |
| CVE-2025-57293 | COMFAST CF-XR11 安全漏洞 | |
| CVE-2025-57295 | H3C NX15V100R015 安全漏洞 |
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V. Comments for CVE-2025-4444
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