CVE-2026-116731
Medium
Description
Furnace through 0.6.8.3 contains an out-of-bounds write vulnerability in DivEngine::loadFTM() that allows attackers to corrupt heap memory via an unchecked subsong index in the GROOVES block. Attackers can craft a FamiTracker module with a subsong count of 2 or more to write a groove pattern past the subsong vector, crashing Furnace when opened.
SeverityMedium
CVSS6.1
Exploit probability—
ProductTildearrow Furnace
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-129CWE-129
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tildearrow furnace | v ≤ 0.6.8.3 | — |
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