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().
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 15 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
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().
Title WildMIDI through 0.5.0 Heap Out-of-Bounds Read via _WM_ParseNewHmp
First Time appeared Mindwerks
Mindwerks wildmidi
Weaknesses CWE-125
CPEs cpe:2.3:a:mindwerks:wildmidi:*:*:*:*:*:*:*:*
Vendors & Products Mindwerks
Mindwerks wildmidi
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-15T18:57:49.774Z

Reserved: 2026-10-15T17:04:04.112Z

Link: CVE-2026-111162

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-15T19:17:31.403

Modified: 2026-10-15T19:17:31.403

Link: CVE-2026-111162

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses