CVE-2020-36219: Atomic-Option Project Atomic-Option

Medium severity, CVSS 5.9. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered in the atomic-option crate through 2020-10-31 for Rust. Because AtomicOption<T> implements Sync unconditionally, a data race can occur.

Affected products

• Atomic-Option Project Atomic-Option: up to and including 2020-10-31

Published 2021-01-26. Last modified 2026-06-17.