cryspen/libcrux · Security
Bug-Fixes in `libcrux-ecdh`, `libcrux-ed25519`, `libcrux-psq`
- GHSA ID
- GHSA-435g-fcv3-8j26
- Severity
- low
- Published
- Updated
- CVSS v4
- 0 · 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
Description
In accordance with our security policy for libcrux, we publish a GitHub security advisory for any releases whose CHANGELOG includes bug-fixes, and encourage our users to upgrade. The latest releases of the libcrux-ecdh, libcrux-ed25519 and libcrux-psq crates contain the following bug-fixes:
libcrux-ecdh
- #1301: Check length and clamping in X25519 secret validation. This is a breaking change since errors are now raised on unclamped X25519 secrets or inputs of the wrong length
libcrux-ed25519
- #1320: Remove duplicated clamping step during key generation
The issue fixed in #1320 was first reported by Nadim Kobeissi.
libcrux-psq
- #1319: Propagate AEADError instead of panicking
- #1301: Fix broken clamping check for imported X25519 secret keys
The issue fixed in #1319 was first reported by Nadim Kobeissi.
CWEs
- CWE-20 · Improper Input Validation
- CWE-327 · Use of a Broken or Risky Cryptographic Algorithm
References
- https://github.com/cryspen/libcrux/security/advisories/GHSA-435g-fcv3-8j26 ↗
- https://github.com/cryspen/libcrux/pull/1301 ↗
- https://github.com/cryspen/libcrux/pull/1319 ↗
- https://github.com/cryspen/libcrux/pull/1320 ↗
- https://github.com/cryspen/libcrux/commit/4d6f5d3c2542b6179a6474dec8cfb8b8ddf31a84 ↗
- https://github.com/cryspen/libcrux/commit/a09022c5811ca7fd1c6d9a239ff294d64ee86734 ↗
- https://github.com/cryspen/libcrux/commit/f303b6446c19fe9a7c993f61e426023609cd5fac ↗
- https://rustsec.org/advisories/RUSTSEC-2026-0023.html ↗
- https://rustsec.org/advisories/RUSTSEC-2026-0024.html ↗
- https://rustsec.org/advisories/RUSTSEC-2026-0025.html ↗
- https://rustsec.org/advisories/RUSTSEC-2026-0026.html ↗
- https://github.com/advisories/GHSA-435g-fcv3-8j26 ↗