CVE-2026-41445— KissFFT Integer Overflow Heap Buffer Overflow via kiss_fftndr_alloc()
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I. Basic Information for CVE-2026-41445
Vulnerability Information
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Vulnerability Title
KissFFT Integer Overflow Heap Buffer Overflow via kiss_fftndr_alloc()
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
KISS FFT 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KISS FFT是mborgerding个人开发者的一个傅里叶变换计算库。 KISS FFT存在安全漏洞，该漏洞源于kiss_fftndr_alloc函数存在整数溢出，可能导致堆缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| mborgerding | kissfft | 0 ~ 8a8e66e33d692bad1376fe7904d87d767730537f | - |
II. Public POCs for CVE-2026-41445
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-190
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V. Comments for CVE-2026-41445
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