CVE-2026-116731
CVE-2026-116731 · Furnace through 0.6.8.3 Out-of-Bounds Write via FamiTracker GROOVES Block Import
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.9 · Medium · EPSS 0.1%
- Published
- Updated
Stack: system
Affected products and versions
furnace
- Versions
- ≥ 0, ≤ 0.6.8.3: Affected (custom)
No fix published
furnace Ubuntu:26.10
- Versions
- 0.6.8.3+git20250912+ds-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
furnace Ubuntu:26.04:LTS
- Versions
- 0.6.8.1+git20250403+ds-1
- 0.6.8.3+git20250912+ds-1
- 0.6.8.3+git20250912+ds-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://github.com/tildearrow/furnace/issues/2966
- https://github.com/tildearrow/furnace
- https://github.com/tildearrow/furnace/commit/c120c72391e3229fe258e5759f43427febcb8693
- https://github.com/tildearrow/furnace/blob/v0.6.8.3/src/engine/fileOps/ftm.cpp#L1597-L1605
- https://hackmd.io/@haindpwn/furnace-ftm-import-notemap-and-groove-subsong-oob
- https://www.vulncheck.com/advisories/furnace-through-0.6.8.3-out-of-bounds-write-via-famitracker-grooves-block-import
- https://nvd.nist.gov/vuln/detail/CVE-2026-116731