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advisory-db/crates/crossbeam-queue/RUSTSEC-2022-0021.md
2023-06-13 15:10:24 +02:00

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[advisory]
id = "RUSTSEC-2022-0021"
package = "crossbeam-queue"
date = "2022-05-10"
informational = "unsound"
url = "https://github.com/crossbeam-rs/crossbeam/pull/458"
aliases = ["GHSA-6888-wf7j-34jq"]

[versions]
patched = [">= 0.2.3"]

SegQueue creates zero value of any type

Affected versions of this crate called mem::zeroed() to create values of a user-supplied type T. This is unsound e.g. if T is a reference type (which must be non-null).

The flaw was corrected by avoiding the use of mem::zeroed(), using MaybeUninit instead.