Executive brief
cosmian_kyber: AVX2 backend skips Fujisaki-Okamoto implicit rejection, enabling chosen-ciphertext key recovery
Affected products
- crates.io cosmian_kyber
Junglewise Threat Intelligence
RUSTSEC-2026-0288 - cosmian_kyber: AVX2 backend skips Fujisaki-Okamoto implicit rejection, enabling chosen-ciphertext key recovery
Severity: low · CVSS 3.1 · Published 2026-08-16
Vendors: crates.io.