GHSA-pgxh-r3r9-7phjMediumCVSS 6.1
WildMIDI through 0.5.0 contains a heap out-of-bounds read vulnerability in the HMP parser...
🔗 CVE IDs covered (1)
📋 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().
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-111162
- https://github.com/Mindwerks/wildmidi
- https://github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/f_hmp.c#L258-L261
- https://github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/internal_midi.c#L2166-L2172
- https://hackmd.io/@haind-pwn/wildmidi-hmp-chunk-length-underflow-oob-read
- https://www.vulncheck.com/advisories/wildmidi-through-0.5.0-heap-out-of-bounds-read-via-wm-parsenewhmp
- https://github.com/advisories/GHSA-pgxh-r3r9-7phj