CVE-2021-45710: Tokio

High severity, CVSS 8.1. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in the tokio crate before 1.8.4, and 1.9.x through 1.13.x before 1.13.1, for Rust. In certain circumstances involving a closed oneshot channel, there is a data race and memory corruption.

Affected products

• Tokio Tokio: from 0.1.14, before 1.8.4 (fixed in 1.8.4); from 1.9.0, before 1.13.1 (fixed in 1.13.1)

Published 2021-12-27. Last modified 2026-06-17.