GHSA-VGMH-MQM4-8J88 pared Vulnerable to Use After Free in `Parc` and `Prc` Due to Missing Lifetime Constraints

Affected versions of this crate didn't provide sufficient lifetime constraints to conversion functions from alloc::sync::Arc and alloc::rc::Rc, which made it possible to create projections of these reference counted pointers. Unlike the original reference counted pointers, these projections could...