RUSTSEC-2022-0094

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Source

https://rustsec.org/advisories/RUSTSEC-2022-0094

Import Source

https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2022-0094.json

JSON Data

https://api.osv.dev/v1/vulns/RUSTSEC-2022-0094

Aliases

GHSA-g23h-7vf9-xc25

Published

2022-11-23T12:00:00Z

Modified

2025-10-28T06:29:24.589313Z

Summary

Mimalloc Can Allocate Memory with Bad Alignment

Details

This crate depended on a promise regarding alignments made by the author of the mimalloc allocator to avoid using aligned allocation functions where possible for performance reasons. Since then, the mimalloc allocator's logic changed, making it break this promise. This caused this crate to return memory with an incorrect alignment for some allocations, particularly those with large alignments. The flaw was fixed by always using the aligned allocation functions.

Database specific

{
    "license": "CC0-1.0"
}

References

Affected packages

crates.io / mimalloc

Package

Name: mimalloc; View open source insights on deps.dev
Purl: pkg:cargo/mimalloc

Affected ranges

Type: SEMVER
Events: Introduced

0.0.0-0

Fixed

0.1.39

Ecosystem specific

{
    "affected_functions": null,
    "affects": {
        "arch": [],
        "functions": [],
        "os": []
    }
}