Source: tor
Version: 0.4.8.16-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for tor.

CVE-2025-4444[0]:
| 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.

I think for stable this can be fixed via upcoming point releases or
piggy-backed later in a future DSA?

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-4444
    https://www.cve.org/CVERecord?id=CVE-2025-4444
[1] https://github.com/chunmianwang/Tordos
[2] 
https://forum.torproject.org/t/alpha-and-stable-release-0-4-8-18-and-0-4-9-3-alpha/20578

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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