CVE-2020-8437: Bittorrent Utorrent

High severity, CVSS 7.5. EPSS: 12% chance of exploitation in the next 30 days.

The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service.

Affected products

• Bittorrent Utorrent: up to and including 3.5.5

Published 2020-03-02. Last modified 2026-06-17.