EUVD-2026-23905
GHSA-xpr7-5899-f5vj
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionNVD
KissFFT before commit 8a8e66e contains an integer overflow vulnerability in the kiss_fftndr_alloc() function in kiss_fftndr.c where the allocation size calculation dimOther*(dimReal+2)*sizeof(kiss_fft_scalar) overflows signed 32-bit integer arithmetic before being widened to size_t, causing malloc() to allocate an undersized buffer. Attackers can trigger heap buffer overflow by providing crafted dimensions that cause the multiplication to exceed INT_MAX, allowing writes beyond the allocated buffer region when kiss_fftndr() processes the data.
AnalysisAI
Heap buffer overflow in KissFFT library (all versions before commit 8a8e66e) enables remote code execution when applications process attacker-controlled FFT dimensions. Integer overflow in kiss_fftndr_alloc() causes malloc() to allocate undersized buffers, allowing heap memory corruption during multidimensional FFT operations. …
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RemediationAI
Within 24 hours: Inventory all internal and third-party applications using KissFFT library across development, staging, and production environments. Within 7 days: Contact your software vendors for patched versions incorporating KissFFT commit 8a8e66e or later; test patches in non-production environments. …
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External POC / Exploit Code
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