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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2025-4444

Tor Onion Service Descriptor resource consumption

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

n/a Tor

  • 0.4.7.0affected
  • 0.4.7.1affected
  • 0.4.7.2affected
  • 0.4.7.3affected
  • 0.4.7.4affected
  • 0.4.7.5affected
  • 0.4.7.6affected
  • 0.4.7.7affected
  • 0.4.7.8affected
  • 0.4.7.9affected
  • 0.4.7.10affected
  • 0.4.7.11affected
  • 0.4.7.12affected
  • 0.4.7.13affected
  • 0.4.7.14affected
  • 0.4.7.15affected
  • 0.4.7.16affected
  • 0.4.8.0affected
  • 0.4.8.1affected
  • 0.4.8.2affected
  • 0.4.8.3affected
  • 0.4.8.4affected
  • 0.4.8.5affected
  • 0.4.8.6affected
  • 0.4.8.7affected
  • 0.4.8.8affected
  • 0.4.8.9affected
  • 0.4.8.10affected
  • 0.4.8.11affected
  • 0.4.8.12affected
  • 0.4.8.13affected
  • 0.4.8.14affected
  • 0.4.8.15affected
  • 0.4.8.16affected
  • 0.4.8.17affected
  • 0.4.8.18unaffected
  • 0.4.9.3-alphaunaffected

References