Rust advisories / core2
UnmaintainedRUSTSEC-2026-0105 · core2
RUSTSEC-2026-0105: core2 is unmaintained, all versions yanked
Short answerNot a bug report: core2 is no longer maintained, so future security issues will not be fixed. Plan to move to a maintained alternative.
| Crate | core2 |
|---|---|
| Type | Unmaintained |
| Affected versions | Every version. |
| Fixed in | not applicable (the crate is unmaintained) |
| Severity | not scored |
| Published | 2026-04-14 |
| Last changed | 2026-04-25 |
| 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-2026-0105"toignorein.cargo/audit.tomlordeny.toml, with a comment saying why. - Find who pulls it in:
cargo tree -i core2.
Details from the advisory
The maintainer decided stop maintaining crate and yanked all published versions.
Potential alternatives:
embedded-iosolves the same general problemno-std-io2is a maintained fork
References
- Package: crates.io/crates/core2
- Advisory: rustsec.org/advisories/RUSTSEC-2026-0105.html
- Web: hachyderm.io/@piecritic/116404790999620656
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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