CVE-2026-111154
Description
libTiMidity through 0.2.8 contains a stack out-of-bounds write vulnerability in the SoundFont loader that allows attackers to corrupt stack memory via unchecked generator operators in parse_gen. Attackers can supply a crafted .sf2 file with out-of-range pgen/igen operator values to write chosen 16-bit values near the stack Layer object, causing crashes and stack memory corruption.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/sezero/libtimidity
- https://github.com/sezero/libtimidity/blob/a52adf6aee2635e2a16797213a089c2180e67757/src/sndfont.c#L468-L480
- https://hackmd.io/@haind-pwn/libtimidity-soundfont-generator-oper-oob-write
- https://www.vulncheck.com/advisories/libtimidity-through-0.2.8-stack-out-of-bounds-write-via-parse-gen-in-soundfont-loader
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.