CVE-2026-116730
Medium
Description
Furnace through 0.6.8.3 contains an out-of-bounds heap read vulnerability in DivEngine::loadFTM() in src/engine/fileOps/ftm.cpp, triggered by an unbounded DPCM note count during FamiTracker module import. Attackers can craft a .ftm, .dnm or 0CC/E-FamiTracker module with a 2A03 instrument note count above 120 to read past the noteMap array and crash Furnace when opened.
SeverityMedium
CVSS5.5
Exploit probability—
ProductTildearrow Furnace
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tildearrow furnace | v ≤ 0.6.8.3 | — |
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