USN-8745-1: KissFFT vulnerabilities

Publication date

10 September 2026

Overview

KissFFT could be made to crash or run programs if it received specially crafted input.


Packages

  • kissfft - Mixed-radix Fast Fourier Transform library

Details

It was discovered that KissFFT incorrectly handled certain large Fourier
transform sizes on 32-bit architectures. An attacker could possibly use
this issue to cause KissFFT to crash, resulting in a denial of service, or
execute arbitrary code. (CVE-2025-34297)

It was discovered that KissFFT incorrectly handled certain multidimensional
Fourier transform sizes. An attacker could possibly use this issue to cause
KissFFT to crash, resulting in a denial of service, or execute arbitrary
code. (CVE-2026-41445)

It was discovered that KissFFT incorrectly handled certain large Fourier
transform sizes on 32-bit architectures. An attacker could possibly use
this issue to cause KissFFT to crash, resulting in a denial of service, or
execute arbitrary code. (CVE-2025-34297)

It was discovered that KissFFT incorrectly handled certain multidimensional
Fourier transform sizes. An attacker could possibly use this issue to cause
KissFFT to crash, resulting in a denial of service, or execute arbitrary
code. (CVE-2026-41445)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute kissfft-tools –  131.1.0-4ubuntu0.1~esm1  
24.04 LTS noble kissfft-tools –  131.1.0-3ubuntu0.1~esm1  
22.04 LTS jammy kissfft-tools –  131.1.0-2ubuntu0.1~esm1  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›