RUSTSEC-2022-0075

Source
https://rustsec.org/advisories/RUSTSEC-2022-0075
Import Source
https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2022-0075.json
JSON Data
https://api.osv.dev/v1/vulns/RUSTSEC-2022-0075
Aliases
Published
2022-11-10T12:00:00Z
Modified
2023-11-08T04:10:20.896620Z
Summary
Bug in pooling instance allocator
Details

bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance the initial heap snapshot of the prior instance can be visible, erroneously to the next instance.

Mitigations are described here.

Database specific
{
    "license": "CC0-1.0"
}
References

Affected packages

crates.io / wasmtime

Package

Affected ranges

Type
SEMVER
Events
Introduced
0.0.0-0
Fixed
1.0.2
Introduced
2.0.0
Fixed
2.0.2

Ecosystem specific

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

Database specific

{
    "cvss": null,
    "informational": null,
    "categories": [
        "memory-exposure"
    ]
}