poly1305

  1. CVE-2023-4807: Windows OpenSSL POLY1305 AVX512 IFMA Bug Causes Crashes

    A subtle bug in OpenSSL’s POLY1305 implementation — tracked as CVE-2023-4807 — can silently corrupt non‑volatile XMM register state on 64‑bit Windows systems with newer x86_64 CPUs that support AVX512‑IFMA, producing crashes, incorrect results, and in extreme cases a sustained denial of service...