CVE-2026-111156
libTiMidity through 0.2.8 Out-of-Bounds Access via SoundFont Preset Header
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
libTiMidity through 0.2.8 contains an out-of-bounds access vulnerability in init_soundfont() in src/sndfont.c that allows attackers to corrupt memory by supplying unvalidated SF2 preset header bank and preset values. Attackers can craft a .sf2 file whose bank or preset indexes past the 128-entry tonebank or drumset arrays, causing heap memory reads, writes, and application crashes.
| CWE | CWE-787 |
| Vendor | sezero |
| Product | libtimidity |
| Published | Oct 15, 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
sezero / libtimidity
0.2.8 ≤ 0.2.8
References
hackmd.io: https://hackmd.io/@haind-pwn/libtimidity-soundfont-generator-oper-oob-write github.com: https://github.com/sezero/libtimidity/blob/a52adf6aee2635e2a16797213a089c2180e67757/src/sndfont.c#L199-L224 github.com: https://github.com/sezero/libtimidity vulncheck.com: https://www.vulncheck.com/advisories/libtimidity-through-0.2.8-out-of-bounds-access-via-soundfont-preset-header
Credits
HaiND from the Post and Telecommunication Institute of Technology