CVE-2017-0376: Debian Linux

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the connection_edge_process_relay_cell function via a BEGIN_DIR cell on a rendezvous circuit.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Torproject Tor: before 0.3.0.8 (fixed in 0.3.0.8)

Published 2017-06-09. Last modified 2026-06-17.