RUSTSEC-2026-0272 Panic-safety unsoundness in `Stack::pop`, `Fifo::pop_front` and `Value::replace_stable` (use-after-free / double-free)

Three removal and replacement paths destroy an initialized value before committing the metadata change that removes it. Destruction runs T::drop, which is user code and may panic. If it does, the commit is skipped and the container still claims ownership of the already-destroyed value, so its own...

Panic-safety unsoundness in `Stack::pop`, `Fifo::pop_front` and `Value::replace_stable` (use-after-free / double-free)

Three removal and replacement paths destroy an initialized value before committing the metadata change that removes it. Destruction runs T::drop, which is user code and may panic. If it does, the commit is skipped and the container still claims ownership of the already-destroyed value, so its own...