GHSA-4h96-mv53-2c86 soundness issue and unmaintained
Unmaintained Rust library allows memory corruption via unsafe index access, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GHSA-4h96-mv53-2c86?
GHSA-4h96-mv53-2c86 is a memory corruption vulnerability in fast_id_map, published on 6 May 2025.
Official description
FastMap::get() lacks sufficient checks to its parameter index and is used to unsafely get a Vec element.
fast_id_map is unmaintained.
Which versions are affected by GHSA-4h96-mv53-2c86?
3 open source packages ship an affected version, including fast_id_map.
| Package | Affected | Fixed in |
|---|---|---|
fast_id_map crates.io | All versions to 0.1.0 | None |
fast_id_map crates.io | All versions to 0.1.0 | None |
fast_id_map crates.io | From 0.0.0-0 | None |
How do I fix GHSA-4h96-mv53-2c86?
No fix has been published for GHSA-4h96-mv53-2c86 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GHSA-4h96-mv53-2c86 being exploited?
There is no known exploitation of GHSA-4h96-mv53-2c86 in the wild and no public exploit code.
Sources
Also known as RUSTSEC-2025-0034.