CVE-2020-36451
An issue was discovered in the rcu_cell crate through 2020-11-14 for Rust. There are unconditional implementations of Send and Sync for RcuCell
Date published : 2021-08-08
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/rcu_cell/RUSTSEC-2020-0131.md