Rust advisories / dces
Vulnerability HighRUSTSEC-2020-0139 · dces
RUSTSEC-2020-0139: dces' World type can cause data races
Short answerA security vulnerability in the dces crate: dces' World type can cause data races. High severity (CVSS 8.1). No fixed version: replace the crate or remove the affected code path.
| Crate | dces |
|---|---|
| Type | Vulnerability (memory-corruption, thread-safety) |
| Affected versions | Every version. |
| Fixed in | none |
| Severity | High, CVSS 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Published | 2020-12-09 |
| Last changed | 2023-11-08 |
| Also known as | CVE-2020-36459, GHSA-hxw9-jxqw-jc8j |
What to do
- Find who pulls it in:
cargo tree -i dces. - Avoid the affected API, or replace the crate.
Details from the advisory
The World type in dces is marked as Send without bounds on its EntityStore and ComponentStore.
This allows non-thread safe EntityStore and ComponentStores to be sent across threads and cause data races.
References
- Package: crates.io/crates/dces
- Advisory: rustsec.org/advisories/RUSTSEC-2020-0139.html
- Report: gitlab.redox-os.org/redox-os/dces-rust/-/issues/8
From the RustSec Advisory Database (CC0-1.0) via the OSV export, downloaded Oct 24, 2026. Severity score computed from the published CVSS vector.
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