CVE-2024-37880: Observable Discrepancy

The Kyber reference implementation before 9b8d306, when compiled by LLVM Clang through 18.x with some common optimization options, has a timing side channel that allows attackers to recover an ML-KEM 512 secret key in minutes. This occurs because polyfrommsg in poly.c does not prevent Clang from...

Kyber Security Breach

Kyber is a repository open-sourced by pq-crystals. A security vulnerability exists in Kyber versions prior to 9b8d306, which stems from the fact that polyfrommsg in poly.c does not prevent Clang from issuing vulnerable key dependency branches...