RUSTSEC-2023-0081 safemem is unmaintained

The latest crates.io release was in 2019. The repository has been archived by the author. Migration - safemem::copyoverslice, srcidx, destidx, len; can be replaced with slice.copywithinsrcidx..srcidx+len, destidx; as of rust 1.37.0. - safemem::writebytesslice, byte; can be replaced with...

CVE-2021-28875

In the standard library in Rust before 1.50.0, readtoend does not validate the return value from Read in an unsafe context. This bug could lead to a buffer overflow...