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CVE-2025-4444

UNKNOWN
Published 2025-09-18T13:58:52.524Z
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CVSS Score

V3.1
3.7
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
Base Score Metrics
Exploitability: N/A Impact: N/A

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

Not EU Coordinated

Exploitation Status

No Known Exploitation

EUVD ID

View on ENISA

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

n/a
tor

ENISA Scoring

CVSS Score (4.0)

6.3
/10
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X

EPSS Score

0.060
probability

ENISA References

https://nvd.nist.gov/vuln/detail/CVE-2025-4444
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

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-qc3c-vmf8-hgcj

Advisory Details

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 Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-4444
WEB https://forum.torproject.org/t/alpha-and-stable-release-0-4-8-18-and-0-4-9-3-alpha/20578
WEB https://github.com/chunmianwang/Tordos
WEB https://gitlab.torproject.org/tpo/core/tor/-/raw/release-0.4.8/ReleaseNotes
WEB https://vuldb.com/?ctiid.324814
WEB https://vuldb.com/?id.324814
WEB https://vuldb.com/?submit.640605

Advisory provided by GitHub Security Advisory Database. Published: September 18, 2025, Modified: September 18, 2025

References

https://vuldb.com/?id.324814
https://vuldb.com/?ctiid.324814
https://vuldb.com/?submit.640605
https://github.com/chunmianwang/Tordos
https://gitlab.torproject.org/tpo/core/tor/-/raw/release-0.4.8/ReleaseNotes
https://forum.torproject.org/t/alpha-and-stable-release-0-4-8-18-and-0-4-9-3-alpha/20578
Published: 2025-09-18T13:58:52.524Z
Last Modified: 2025-09-18T20:41:21.835Z
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