Medium severity5.5NVD Advisory· Published Oct 26, 2026
CVE-2026-116730
CVE-2026-116730
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.
Affected products
1- Range: <=0.6.8.3
Patches
Vulnerability mechanics
References
5- github.com/tildearrow/furnace/blob/v0.6.8.3/src/engine/fileOps/ftm.cppnvd
- github.com/tildearrow/furnace/commit/c120c72391e3229fe258e5759f43427febcb8693nvd
- github.com/tildearrow/furnace/issues/2966nvd
- hackmd.io/@haindpwn/furnace-ftm-import-notemap-and-groove-subsong-oobnvd
- www.vulncheck.com/advisories/furnace-through-0.6.8.3-out-of-bounds-read-via-famitracker-module-importnvd
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