CVE-2026-116731
Furnace through 0.6.8.3 Out-of-Bounds Write via FamiTracker GROOVES Block Import
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 26, 2026
- Updated
- Oct 26, 2026
- Reserved
- Oct 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H | VulnCheck |
Weaknesses
- CWE-129 Improper Validation of Array Index
Affected Products
| Product | Versions |
|---|---|
furnacetildearrow |
|
References
- GitHub Issue #2966issue-tracking
- https://github.com/tildearrow/furnaceproduct
- https://github.com/tildearrow/furnace/commit/c120c72391e3229fe258e5759f43427febcb8693patch
- https://github.com/tildearrow/furnace/blob/v0.6.8.3/src/engine/fileOps/ftm.cpp#L1597-L1605technical-description
- https://hackmd.io/@haindpwn/furnace-ftm-import-notemap-and-groove-subsong-oobthird-party-advisory
- VulnCheck Advisory: Furnace through 0.6.8.3 Out-of-Bounds Write via FamiTracker GROOVES Block Importthird-party-advisory
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