CVE-2025-4444: Tor 0.4.7.0, 0.4.7.1, 0.4.7.2, 0.4.7.3, 0.4.7.4, 0.4.7.5, 0.4.7.6, 0.4.7.7, 0.4.7.8, 0.4.7.9, 0.4.7.10, 0.4.7.11…

Affected technology

Tor · 0.4.7.0, 0.4.7.1, 0.4.7.2, 0.4.7.3, 0.4.7.4, 0.4.7.5, 0.4.7.6, 0.4.7.7, 0.4.7.8, 0.4.7.9, 0.4.7.10, 0.4.7.11, 0.4.7.12, 0.4.7.13, 0.4.7.14, 0.4.7.15, 0.4.7.16, 0.4.8.0, 0.4.8.1, 0.4.8.2, 0.4.8.3, 0.4.8.4, 0.4.8.5, 0.4.8.6, 0.4.8.7, 0.4.8.8, 0.4.8.9, 0.4.8.10, 0.4.8.11, 0.4.8.12, 0.4.8.13, 0.4.8.14, 0.4.8.15, 0.4.8.16, 0.4.8.17
Vendor not specified by the source

Description’s affected range: up to 0.4.7.16/0.4.8.17

Component: Onion Service Descriptor Handler
Function: of

Attack conditions (VulDB, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

VulDB’s CVSS 4.0 assessment (base score 6.3/10) rates confidentiality and integrity impact as none; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.