{"id":"CVE-2026-111162","published":"2026-10-15T19:17:31.403","lastModified":"2026-10-16T18:25:45.343","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().","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwes":["CWE-125"],"vendors":[],"products":[],"references":[{"url":"https://github.com/Mindwerks/wildmidi","tags":[]},{"url":"https://github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/f_hmp.c#L258-L261","tags":[]},{"url":"https://github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/internal_midi.c#L2166-L2172","tags":[]},{"url":"https://hackmd.io/@haind-pwn/wildmidi-hmp-chunk-length-underflow-oob-read","tags":[]},{"url":"https://www.vulncheck.com/advisories/wildmidi-through-0.5.0-heap-out-of-bounds-read-via-wm-parsenewhmp","tags":[]}],"exploitRefs":[{"url":"https://github.com/Mindwerks/wildmidi","tags":[]},{"url":"https://github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/f_hmp.c#L258-L261","tags":[]},{"url":"https://github.com/Mindwerks/wildmidi/blob/340472ed4633d139d30c660b90eca03c1320e593/src/internal_midi.c#L2166-L2172","tags":[]}],"hasPoc":true,"ai":null}