CVE-2026-41445

NameCVE-2026-41445
DescriptionKissFFT 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1134493

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
kissfft (PTS)bullseye131.1.0-1vulnerable
bookworm, trixie131.1.0-3vulnerable
forky, sid131.1.0-4vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kissfftsource(unstable)(unfixed)1134493

Notes

Fixed by: https://github.com/mborgerding/kissfft/commit/8a8e66e33d692bad1376fe7904d87d767730537f

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