Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/tildearrow/furnace
- https://github.com/tildearrow/furnace/blob/v0.6.8.3/src/engine/fileOps/ftm.cpp#L
- https://github.com/tildearrow/furnace/commit/c120c72391e3229fe258e5759f43427febc
- https://github.com/tildearrow/furnace/issues/2966
- 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
FAQ
What is CVE-2026-116731?
CVE-2026-116731 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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. Attacker...
How severe is CVE-2026-116731?
CVE-2026-116731 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116731?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.