Rust advisories / json
UnmaintainedRUSTSEC-2022-0081 · json
RUSTSEC-2022-0081: json is unmaintained
Short answerNot a bug report: json is no longer maintained, so future security issues will not be fixed. Plan to move to a maintained alternative.
| Crate | json |
|---|---|
| Type | Unmaintained |
| Affected versions | Every version. |
| Fixed in | not applicable (the crate is unmaintained) |
| Severity | not scored |
| Published | 2022-02-01 |
| Last changed | 2023-08-25 |
| 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-2022-0081"toignorein.cargo/audit.tomlordeny.toml, with a comment saying why. - Find who pulls it in:
cargo tree -i json.
Details from the advisory
Last release was almost 3 years ago.
The maintainer is unresponsive with outstanding issues.
One of the outstanding issues include a possible soundness issue.
Possible Alternative(s)
The below list has not been vetted in any way and may or may not contain alternatives;
- jzon maintained fork of json
- serde_json
- json-deserializer
- simd-json
References
- Package: crates.io/crates/json
- Advisory: rustsec.org/advisories/RUSTSEC-2022-0081.html
- Report: github.com/maciejhirsz/json-rust/issues/205
- Report: github.com/maciejhirsz/json-rust/issues/196
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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