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cnvd-2022-04519

EUVD-2026-47902

fkie_cve-2020-35906

An issue was discovered in the futures-task crate before 0.3.6 for Rust. futures_task::waker may cause a use-after-free in a non-static type situation.

GHSA-r93v-9p5q-vhpf — futures_task::waker may cause a use-after-free if used on a type that isn't 'static

Affected: crates.io: futures-task

Affected versions of the crate did not properly implement a 'static lifetime bound on the waker function. This resulted in a use-after-free if Waker::wake() is called after original data had been dropped.

The flaw was corrected by adding 'static lifetime bound to the data waker takes.

gsd-2020-35906

RUSTSEC-2020-0060 — futures_task::waker may cause a use-after-free if used on a type that isn't 'static

Affected: crates.io: futures-task

Affected versions of the crate did not properly implement a `'static` lifetime bound on the `waker` function. This resulted in a use-after-free if `Waker::wake()` is called after original data had been dropped.

The flaw was corrected by adding `'static` lifetime bound to the data `waker` takes.

UBUNTU-CVE-2020-35906

Affected: Ubuntu:22.04:LTS: rust-futures-task, Ubuntu:24.04:LTS: rust-futures-task, Ubuntu:25.10: rust-futures-task, Ubuntu:26.10: rust-futures-task, Ubuntu:26.04:LTS: rust-futures-task

An issue was discovered in the futures-task crate before 0.3.6 for Rust. futures_task::waker may cause a use-after-free in a non-static type situation.