GHSA-c8v3-jhv9-4ppc — rust-i18n-support
Fix: longbridgeapp/rust-i18n@22e0609GHSA-c8v3-jhv9-4ppc is a security vulnerability in rust-i18n-support. A fix is available for rust-i18n-support — see the affected versions and patch details below.
Use-after-free when setting the locale
Real-World Exposure
rust-i18n-supportReal-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
Version 3.0.0 introduced an AtomicStr type, that is used to store the current locale. It stores the locale as a raw pointer to an Arc<String>. The locale can be read with AtomicStr::as_str(). AtomicStr::as_str() does not increment the usage counter of the Arc.
If the locale is changed in one thread, another thread can have a stale -- possibly already freed -- reference to the stored string.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🦀crates.io | rust-i18n-support | ≥ 3.0.0&&< 3.0.1 | 3.0.1cargo update -p rust-i18n-support --precise 3.0.1 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for rust-i18n-support, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update rust-i18n-support to 3.0.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-c8v3-jhv9-4ppc is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-c8v3-jhv9-4ppc can be triaged on real exposure rather than presence alone.
Tailored to GHSA-c8v3-jhv9-4ppc. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-c8v3-jhv9-4ppc in your dependencies?
O3 Security finds GHSA-c8v3-jhv9-4ppc across crates.io dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.