Multiple soundness issues in `owning_ref`

OwningRef::mapwithowner is unsound and may result in a use-after-free. - OwningRef::map is unsound and may result in a use-after-free. - OwningRefMut::asowner and OwningRefMut::asownermut are unsound and may result in a use-after-free. - The crate violates Rust's aliasing rules, which may cause...

Use after free in nano_arena

Affected versions of this crate assumed that Borrow was guaranteed to return the same value on .borrow. The borrowed index value was used to retrieve a mutable reference to a value. If the Borrow implementation returned a different index, the split arena would allow retrieving the index as a...

GHSA-WP34-MQW5-JJ85 Use after free in nano_arena

Affected versions of this crate assumed that Borrow was guaranteed to return the same value on .borrow. The borrowed index value was used to retrieve a mutable reference to a value. If the Borrow implementation returned a different index, the split arena would allow retrieving the index as a...

split_at allows obtaining multiple mutable references to the same data

Affected versions of this crate assumed that Borrow was guaranteed to return the same value on .borrow. The borrowed index value was used to retrieve a mutable reference to a value. If the Borrow implementation returned a different index, the split arena would allow retrieving the index as a...