RUSTSEC-2026-0244 `setlocale` and `TextDomain::init` are unsound as they access environment with no synchronization
Unsound locale initialization in multi-threaded Rust programs can cause undefined behavior, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- Available
What is RUSTSEC-2026-0244?
RUSTSEC-2026-0244 is a vulnerability in gettext-rs, published on 6 Aug 2026.
Official description
setlocale and TextDomain::init are unsound and may allow safe code to exhibit undefined behavior when called in a multi-threaded program.
The flaw is fixed in 0.8.0 by marking these functions unsafe and documenting the conditions under which they can be called safely.
Which versions are affected by RUSTSEC-2026-0244?
1 open source package ship an affected version, including gettext-rs.
| Package | Affected | Fixed in |
|---|---|---|
gettext-rs crates.io | From 0.0.0-0 | 0.8.0 |
How do I fix RUSTSEC-2026-0244?
Upgrade gettext-rs to 0.8.0 or later.
Is RUSTSEC-2026-0244 being exploited?
There is no known exploitation of RUSTSEC-2026-0244 in the wild and no public exploit code.