An issue was discovered in the abox crate before 0.4.1 for Rust. It implements Send and Sync for AtomicBox<T> with no requirement for T: Send and T: Sync.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36441.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "0.4.1" } ] } ]