CVE-2026-41445
KissFFT Integer Overflow Heap Buffer Overflow via kiss_fftndr_alloc()
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.
INFO
Published Date :
April 20, 2026, 5:16 p.m.
Last Modified :
Oct. 26, 2026, 9:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update KissFFT to version after commit 8a8e66e.
- Review and apply related security patches.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-41445.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-41445 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-41445
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-41445 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-41445 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Translated by [email protected]
Oct. 26, 2026
Action Type Old Value New Value Added Translation Title: kissfft de mborgerding, Description: KissFFT antes del commit 8a8e66e contiene una vulnerabilidad de desbordamiento de entero en la función kiss_fftndr_alloc() en kiss_fftndr.c donde el cálculo del tamaño de la asignación dimOther(dimReal+2)sizeof(kiss_fft_scalar) desborda la aritmética de enteros con signo de 32 bits antes de ser ampliado a size_t, lo que provoca que malloc() asigne un búfer subdimensionado. Los atacantes pueden desencadenar un desbordamiento de búfer en el heap al proporcionar dimensiones manipuladas que hacen que la multiplicación exceda INT_MAX, permitiendo escrituras más allá de la región del búfer asignado cuando kiss_fftndr() procesa los datos. -
CVE Modified by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Changed Affected [{'repo': 'https://github.com/mborgerding/kissfft', 'vendor': 'mborgerding', 'product': 'kissfft', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '8a8e66e33d692bad1376fe7904d87d767730537f', 'versionType': 'git'}], 'platforms': ['32 bit', '64 bit'], 'defaultStatus': 'unaffected'}] [{'repo': 'https://github.com/mborgerding/kissfft', 'vendor': 'mborgerding', 'product': 'kissfft', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '8a8e66e33d692bad1376fe7904d87d767730537f', 'versionType': 'git'}], 'platforms': ['32 bit', '64 bit'], 'packageURL': 'pkg:github/mborgerding/kissfft', 'defaultStatus': 'unaffected'}] -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/mborgerding/kissfft', 'vendor': 'mborgerding', 'product': 'kissfft', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '8a8e66e33d692bad1376fe7904d87d767730537f', 'versionType': 'git'}], 'platforms': ['32 bit', '64 bit'], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-41445', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-04-20T17:54:55.358715Z'} -
New CVE Received by [email protected]
Apr. 20, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-190 Added CWE CWE-122 Added Reference https://github.com/mborgerding/kissfft/commit/8a8e66e33d692bad1376fe7904d87d767730537f Added Reference https://www.vulncheck.com/advisories/kissfft-integer-overflow-heap-buffer-overflow-via-kiss-fftndr-alloc