CVE-2026-116731
Furnace through 0.6.8.3 Out-of-Bounds Write via FamiTracker GROOVES Block Import
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-129 |
| Vendor | tildearrow |
| Product | furnace |
| Published | Oct 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Affected Versions
tildearrow / furnace
0 ≤ 0.6.8.3
References
github.com: https://github.com/tildearrow/furnace/issues/2966 github.com: https://github.com/tildearrow/furnace github.com: https://github.com/tildearrow/furnace/commit/c120c72391e3229fe258e5759f43427febcb8693 github.com: https://github.com/tildearrow/furnace/blob/v0.6.8.3/src/engine/fileOps/ftm.cpp#L1597-L1605 hackmd.io: https://hackmd.io/@haindpwn/furnace-ftm-import-notemap-and-groove-subsong-oob vulncheck.com: https://www.vulncheck.com/advisories/furnace-through-0.6.8.3-out-of-bounds-write-via-famitracker-grooves-block-import
Credits
HaiND from the Post and Telecommunication Institute of Technology