CVE-2026-10097 ML-KEM-1024 x64 AVX2 incomplete cipher text comparison enables IND-CCA2 break and static private-key recovery

wolfSSL's AVX2-optimized ML-KEM implementation mlkemcmpavx2 compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and...

CVE-2026-10097

Summary: CVE-2026-10097 affects wolfSSL’s ML-KEM-1024 x64 AVX2 implementation. The Fujisaki-Okamoto decapsulation path performs an incomplete ciphertext check, failing to compare the final portion of the 1568-byte ciphertext. As a result, ciphertexts manipulated in those final bytes can bypass im...

CVE-2026-10097

wolfSSL's AVX2-optimized ML-KEM implementation mlkemcmpavx2 compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and...

PT-2026-52560

Name of the Vulnerable Software and Affected Versions wolfSSL affected versions not specified Description The AVX2-optimized ML-KEM implementation contains a logic error in the mlkem cmp avx2 function during the Fujisaki-Okamoto transform. In ML-KEM-1024 decapsulation, the constant-time ciphertex...