What is CVE-2026-41445?

CVE-2026-41445 is a high-severity vulnerability in Mborgerding Kissfft, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2026-04-20.

How severe is CVE-2026-41445?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Mborgerding Kissfft

CVE-2026-41445

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 intege…

Vulnerability class: Integer Overflow

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Mborgerding Kissfft — versions 0

Weakness classification (CWE)

References

github.com/mborgerding/kissfft/commit/8a8e66e33d692bad1376fe7904d87d767730537f (patch)
www.vulncheck.com/advisories/kissfft-integer-overflow-heap-buffer-overflow-via-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-41445?: CVE-2026-41445 is a high-severity vulnerability in Mborgerding Kissfft, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2026-04-20.
How severe is CVE-2026-41445?: High severity. CVSS v3 base score is 8.8 out of 10.