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EUVD-2026-47905

fkie_cve-2020-35898

An issue was discovered in the actix-utils crate before 2.0.0 for Rust. The Cell implementation allows obtaining more than one mutable reference to the same data.

GHSA-hhw2-pqhf-vmx2 — Use after free in actix-utils

Affected: crates.io: actix-utils

An issue was discovered in the actix-utils crate before 2.0.0 for Rust. The Cell implementation allows obtaining more than one mutable reference to the same data.

gsd-2020-35898

RUSTSEC-2020-0045 — bespoke Cell implementation allows obtaining several mutable references to the same data

Affected: crates.io: actix-utils

The custom implementation of a Cell primitive in the affected versions of this crate does not keep track of mutable references to the underlying data.

This allows obtaining several mutable references to the same object which may result in arbitrary memory corruption, most likely use-after-free.

The flaw was corrected by switching from a bespoke `Cell<T>` implementation to `Rc<RefCell<T>>`.