Vulnerability LowRUSTSEC-2026-0024 · libcrux-psq
RUSTSEC-2026-0024: Incorrect X25519 clamping check rejects all secrets on import
Short answerA security vulnerability in the libcrux-psq crate: Incorrect X25519 clamping check rejects all secrets on import. GitHub rates it Low. Fixed in 0.0.7: update to a fixed version.
| Crate | libcrux-psq |
|---|---|
| Type | Vulnerability |
| Affected versions | Before 0.0.7. |
| Fixed in | 0.0.7 |
| Severity | Low (GitHub rating) CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N |
| Published | 2026-01-26 |
| Last changed | 2026-08-24 |
| Also known as | CVE-2026-76234, GHSA-435g-fcv3-8j26, RUSTSEC-2026-0023, RUSTSEC-2026-0025, RUSTSEC-2026-0026 |
What to do
- See which version you have:
cargo tree -i libcrux-psq(it also shows which of your dependencies pulls it in). - Update within your version requirement:
cargo update -p libcrux-psq. If the fix is a newer major or minor than your requirement allows, raise it in Cargo.toml (for examplelibcrux-psq = "0.0.7") 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
The latest releases of the libcrux-psq crate contains the following bug-fix:
#1301: Fix broken clamping check for imported X25519 secret keys
References
- Package: crates.io/crates/libcrux-psq
- Advisory: rustsec.org/advisories/RUSTSEC-2026-0024.html
- Web: github.com/cryspen/libcrux/pull/1301
From the RustSec Advisory Database (CC0-1.0) via the OSV export, downloaded Oct 24, 2026. Severity score computed from the published CVSS vector.
Other advisories for libcrux-psq
Up next
Same cratelibcrux-psq: security historyEvery advisory for this crate, and whether it is safe to use today.Read it next →Did this answer your question?