Home

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.

PUBLISHED Reserved 2026-04-20 | Published 2026-04-20 | Updated 2026-04-20 | Assigner VulnCheck




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-190 Integer Overflow or Wraparound

CWE-122 Heap-based Buffer Overflow

Product status

Default status
unaffected

Any version before 8a8e66e33d692bad1376fe7904d87d767730537f
affected

Credits

Sajeeb Lohani finder

VulnCheck coordinator

References

github.com/...ommit/8a8e66e33d692bad1376fe7904d87d767730537f patch

www.vulncheck.com/...p-buffer-overflow-via-kiss-fftndr-alloc third-party-advisory

cve.org (CVE-2026-41445)

nvd.nist.gov (CVE-2026-41445)

Download JSON