Medium severity6.1NVD Advisory· Published Oct 15, 2026
CVE-2026-111162
CVE-2026-111162
Description
WildMIDI through 0.5.0 contains a heap out-of-bounds read vulnerability in the HMP parser _WM_ParseNewHmp() that allows attackers to read beyond buffers via underflowed chunk lengths. Attackers can supply a crafted .hmp file with a chunk length of 0-12 that wraps to roughly 4 GB, crashing applications or exposing heap bytes through WildMidi_GetInfo().
Affected products
1Patches
Vulnerability mechanics
References
4- github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/f_hmp.cnvd
- github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/internal_midi.cnvd
- hackmd.io/@haind-pwn/wildmidi-hmp-chunk-length-underflow-oob-readnvd
- www.vulncheck.com/advisories/wildmidi-through-0.5.0-heap-out-of-bounds-read-via-wm-parsenewhmpnvd
News mentions
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