Rust advisories / double-checked-cell
UnmaintainedRUSTSEC-2022-0024 · double-checked-cell
RUSTSEC-2022-0024: double-checked-cell is unmaintained
Short answerNot a bug report: double-checked-cell is no longer maintained, so future security issues will not be fixed. Plan to move to a maintained alternative.
| Crate | double-checked-cell |
|---|---|
| Type | Unmaintained |
| Affected versions | Every version. |
| Fixed in | not applicable (the crate is unmaintained) |
| Severity | not scored |
| Published | 2022-05-11 |
| Last changed | 2022-05-11 |
| Also known as | none |
What to do
- Look for a maintained fork or alternative crate.
- If you cannot move yet, acknowledge it in your audit config so CI stays green while you plan: add
"RUSTSEC-2022-0024"toignorein.cargo/audit.tomlordeny.toml, with a comment saying why. - Find who pulls it in:
cargo tree -i double-checked-cell.
Details from the advisory
The author recommends switching to once_cell, which offers a superset of the functionality.
References
- Package: crates.io/crates/double-checked-cell
- Advisory: rustsec.org/advisories/RUSTSEC-2022-0024.html
- Web: github.com/niklasf/double-checked-cell/commit/9cf94d75316ef441033ce4c80def7c1a8c7643fe
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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