Update unsound DrainFilter and RString::retain

An issue was discovered in the abistable crate before 0.9.1 for Rust. DrainFilter lacks soundness because of a double drop...

Update unsound DrainFilter and RString::retain

An issue was discovered in the abistable crate before 0.9.1 for Rust. A retain call can create an invalid UTF-8 string, violating soundness...

CVE-2020-36213

The CVE-2020-36213 issue affects the abi_stable crate for Rust prior to 0.9.1. A retain call can produce an invalid UTF-8 string, violating soundness and potentially undermining memory-safety guarantees. Documented impact centers on Rust crate soundness rather than explicit exploit paths in the p...