CVE-2020-35906: Rust-Lang Futures-Task

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in the futures-task crate before 0.3.6 for Rust. futures_task::waker may cause a use-after-free in a non-static type situation.

Affected products

• Rust-Lang Futures-Task: from 0.2.1, before 0.3.6 (fixed in 0.3.6)

Published 2020-12-31. Last modified 2026-06-17.