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().

Project Subscriptions

Vendors Products
Mindwerks Subscribe
Wildmidi Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

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

Sign in to view the affected projects.

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