An issue was discovered in the cgc crate through 2020-12-10 for Rust. Ptr::write performs non-atomic write operations on an underlying pointer.
https://rustsec.org/advisories/RUSTSEC-2020-0148.html
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/cgc/RUSTSEC-2020-0148.md