EUVD-2025-200096

KissFFT versions prior to the fix commit 1b083165 contain an integer overflow in kissfftalloc in kissfft.c on platforms where sizet is 32-bit. The nfft parameter is not validated before being used in a size calculation sizeofkissfftcpx nfft - 1, which can wrap to a small value when nfft is large...