6.3
Medium
CVE-2025-4444 A security flaw has been discovered in Tor up to 0.4.7.16/0.4.8.17
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Tor 0.4 | 0.4.7.0 → 0.4.8.17 | 0.4.8.18 |
Other CVEs of Tor
The 4 CVEs of Tor →
CVE-2018-0490
An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10
Not rated
CVE-2018-0491
A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10
Not rated
CVE-2017-0377
Tor 0.3.x before 0.3.0.9 has a guard-selection algorithm that only considers the exit relay (not the exit relay's…
Not rated