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JLSEC-2026-693 ML-KEM-1024 x64 AVX2 implicit rejection failure in the Fujisaki-Okamoto transform breaks IND-CCA2...

🗓️ 14 Jul 2026 21:41:35Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Fujisaki-Okamoto implicit rejection flaw in ML-KEM-1024 breaks IND-CCA2; attacker recovers private key with about 350 ciphertexts.

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14 Jul 2026 21:50Current
6.1Medium risk
Vulners AI Score6.1
CVSS 48.3
EPSS0.00161
3