Rust advisories / rustc-serialize
UnmaintainedRUSTSEC-2025-0025 · rustc-serialize
RUSTSEC-2025-0025: rustc-serialize is unmaintained
Short answerNot a bug report: rustc-serialize is no longer maintained, so future security issues will not be fixed. Plan to move to a maintained alternative.
| Crate | rustc-serialize |
|---|---|
| Type | Unmaintained |
| Affected versions | Every version. |
| Fixed in | not applicable (the crate is unmaintained) |
| Severity | not scored |
| Published | 2025-04-28 |
| Last changed | 2025-04-28 |
| 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-2025-0025"toignorein.cargo/audit.tomlordeny.toml, with a comment saying why. - Find who pulls it in:
cargo tree -i rustc-serialize.
Details from the advisory
rustc-serialize will no longer be maintained as declared by the developer. By fuzzing the package, we can identify multiple vulnerabilities. The project has been archived and cannot submit issues. The developer has recommended using the serde crate instead.
References
- Package: crates.io/crates/rustc-serialize
- Advisory: rustsec.org/advisories/RUSTSEC-2025-0025.html
- Web: github.com/rust-lang-deprecated/rustc-serialize/issues
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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