ArrayQueue::push_front is not panic-safe

The safe API arrayqueue::ArrayQueue::pushfront can lead to deallocating uninitialized memory if a panic occurs while invoking the clone method on the passed argument. Specifically, pushfront receives an argument that is intended to be cloned and pushed, whose type implements the Clone trait...

CVE-2021-29937

An issue was discovered in the telemetry crate through 2021-02-17 for Rust. There is a drop of uninitialized memory if a value.clone call panics within misc::vecwithsize...