Bug 2396448 (CVE-2025-4444) - CVE-2025-4444 tor: Tor Onion Service Descriptor resource consumption
Summary: CVE-2025-4444 tor: Tor Onion Service Descriptor resource consumption
Keywords:
Status: NEW
Alias: CVE-2025-4444
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-18 15:01 UTC by OSIDB Bzimport
Modified: 2025-09-18 19:15 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2025-09-18 15:01:32 UTC 
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.
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