CVE-2026-111163
WildMIDI through 0.5.0 Heap Out-of-Bounds Read via _WM_ParseNewHmi
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
WildMIDI through 0.5.0 contains a heap out-of-bounds read vulnerability in _WM_ParseNewHmi() in src/f_hmi.c that reads past buffers when handling 0xfe sub-events. Attackers can supply a crafted HMI file placing a 0xfe 0x10 sub-event near the buffer end to read up to four bytes past the allocation, crashing the decoding application.
| CWE | CWE-125 |
| Vendor | mindwerks |
| Product | wildmidi |
| 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:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Mindwerks / WildMIDI
0 ≤ 0.5.0
References
hackmd.io: https://hackmd.io/@haind-pwn/wildmidi-hmp-chunk-length-underflow-oob-read github.com: https://github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/f_hmi.c#L268-L290 github.com: https://github.com/Mindwerks/wildmidi vulncheck.com: https://www.vulncheck.com/advisories/wildmidi-through-0.5.0-heap-out-of-bounds-read-via-wm-parsenewhmi
Credits
HaiND from the Post and Telecommunication Institute of Technology