How severe is GHSA-rwf4-gx62-rqfw?

No CVSS score has been assigned to GHSA-rwf4-gx62-rqfw yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-rwf4-gx62-rqfw?

GHSA-rwf4-gx62-rqfw affects the following packages: crossbeam (crates.io). Ecosystems affected: crates.io.

How do I fix GHSA-rwf4-gx62-rqfw?

Update crossbeam to 0.3.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-rwf4-gx62-rqfw is resolved across your whole dependency graph.

How do I detect GHSA-rwf4-gx62-rqfw in my crates.io dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for crossbeam, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-rwf4-gx62-rqfw if there is no patch (or I can't update yet)?

Constrain what reaches the vulnerable code: limit the size and shape of untrusted input, isolate the affected component in a sandboxed or least-privileged process, and enable the platform's memory-safety mitigations (ASLR, stack protector, hardened allocator) so an out-of-bounds access is more likely to fail closed than to be exploitable.

Is GHSA-rwf4-gx62-rqfw actively exploited in the wild?

No public exploit code has been indexed for GHSA-rwf4-gx62-rqfw yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-rwf4-gx62-rqfw published, and has it been updated?

GHSA-rwf4-gx62-rqfw was published on June 8, 2022 and was last updated on November 8, 2023. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🦀 crates.io

Not in CISA KEV

`MsQueue` `push`/`pop` use the wrong orderingsGHSA-rwf4-gx62-rqfw

Fix: crossbeam-rs/crossbeam#98

GHSA-rwf4-gx62-rqfw is a remote code execution vulnerability in crossbeam. A fix is available for crossbeam — see the affected versions and patch details below.

Also known asRUSTSEC-2022-0029

Published

Jun 8, 2022

Updated

Nov 8, 2023

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 8, 2023 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

🦀crossbeam

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.

Description

Affected versions of this crate use orderings which are too weak to support this data structure. It is likely this has caused memory corruption in the wild: https://github.com/crossbeam-rs/crossbeam/issues/97#issuecomment-412785919.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🦀crates.io	`crossbeam`	all versions	0.3.0`cargo update -p crossbeam --precise 0.3.0`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for crossbeam, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update crossbeam to 0.3.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-rwf4-gx62-rqfw is resolved across your whole dependency graph.
Workarounds
Constrain what reaches the vulnerable code: limit the size and shape of untrusted input, isolate the affected component in a sandboxed or least-privileged process, and enable the platform's memory-safety mitigations (ASLR, stack protector, hardened allocator) so an out-of-bounds access is more likely to fail closed than to be exploitable.

Frequently Asked Questions

Affected versions of this crate use orderings which are too weak to support this data structure. It is likely this has caused memory corruption in the wild: <https://github.com/crossbeam-rs/crossbeam/issues/97#issuecomment-412785919>.

O3 Security · Impact-Aware SCA

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