Vulnerability HighRUSTSEC-2021-0117 · arrow
RUSTSEC-2021-0117: `DecimalArray` does not perform bound checks on accessing values and offsets
Short answerA security vulnerability in the arrow crate: `DecimalArray` does not perform bound checks on accessing values and offsets. GitHub rates it High. Fixed in 6.4.0: update to a fixed version.
| Crate | arrow |
|---|---|
| Type | Vulnerability (memory-exposure) |
| Affected versions | Before 6.4.0. |
| Fixed in | 6.4.0 |
| Severity | High (GitHub rating) |
| Published | 2021-09-14 |
| Last changed | 2023-11-08 |
| Also known as | GHSA-h588-76vg-prgj |
What to do
- See which version you have:
cargo tree -i arrow(it also shows which of your dependencies pulls it in). - Update within your version requirement:
cargo update -p arrow. If the fix is a newer major or minor than your requirement allows, raise it in Cargo.toml (for examplearrow = "6.4.0") or update the dependency that pulls it in. - Check again with
cargo audit, or paste your Cargo.lock into our Cargo.toml checker.
Details from the advisory
DecimalArray performs insufficient bounds checks, which allows out-of-bounds reads in safe code if the length of the backing buffer is not a multiple of 16.
References
- Package: crates.io/crates/arrow
- Advisory: rustsec.org/advisories/RUSTSEC-2021-0117.html
- Report: github.com/apache/arrow-rs/issues/775
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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