CVE-2026-41445
Heap overflow in KissFFT caused by 32-bit size calc overflow.
Is CVE-2026-41445 being exploited?
Not confirmed. CVE-2026-41445 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-41445?
CVE-2026-41445 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-41445?
Not known from our data. No patch reference has been recorded for CVE-2026-41445, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-41445 affect?
CVE-2026-41445 affects KissFFT library (kiss_fftndr_alloc). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-41445?
Update to patched version when available; validate input sizes before allocation.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Heap-based memory corruption; crafted input can crash or enable code execution in apps using KissFFT.
Patch when possible
- affected< 8a8e66e33d692bad1376fe7904d87d767730537f
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.