CVE-2026-111163

WildMIDI through 0.5.0 Heap Out-of-Bounds Read via _WM_ParseNewHmi

6.8 Medium

WildMIDI through 0.5.0 contains a heap out-of-bounds read vulnerability in _WM_ParseNewHmi() in src/f_hmi.c that reads past buffers when handling 0xfe sub-events. Attackers can supply a crafted HMI file placing a 0xfe 0x10 sub-event near the buffer end to read up to four bytes past the allocation, crashing the decoding application.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Passive

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.19%Unchanged since Oct 16, 2026

What each source reports

CVE List Score used 6.8

WildMIDI through 0.5.0 Heap Out-of-Bounds Read via _WM_ParseNewHmi

Record: CVE-2026-111163
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

EUVDEUVD-2026-102290 6.8

Record: EUVD-2026-102290
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-mgqp-8p5v-r4q9 6.8

WildMIDI through 0.5.0 contains a heap out-of-bounds read vulnerability in _WM_ParseNewHmi() in...

Record: GHSA-mgqp-8p5v-r4q9
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

NVD 6.8

Record: CVE-2026-111163
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSV 6.8

WildMIDI through 0.5.0 Heap Out-of-Bounds Read via _WM_ParseNewHmi

Record: CVE-2026-111163
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-125
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-111163 6.8

Record: DEBIAN-CVE-2026-111163
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-111163 6.8

Record: UBUNTU-CVE-2026-111163
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

mindwerks wildmidi

Affected packages

Affected packages
Package	Affected	Fixed
`wildmidi` Debian:12	All versions, plus listed versions 0.4.3-10.4.6-1	None known
`wildmidi` Debian:13	All versions, plus listed versions 0.4.3-10.4.6-1	None known
`wildmidi` Debian:14	All versions, plus listed versions 0.4.3-10.4.6-1	None known
`wildmidi` Ubuntu:14.04:LTS	All versions, plus listed versions 0.2.3.4-2.1ubuntu20.2.3.4-2.1ubuntu3	None known
`wildmidi` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 0.3.8-20.3.8-2ubuntu0.1~esm1	None known
`wildmidi` Ubuntu:18.04:LTS	All versions, plus listed versions 0.4.0-20.4.2-1	None known
`wildmidi` Ubuntu:20.04:LTS	All versions, plus listed versions 0.4.3-1	None known
`wildmidi` Ubuntu:22.04:LTS	All versions, plus listed versions 0.4.3-1	None known
`wildmidi` Ubuntu:24.04:LTS	All versions, plus listed versions 0.4.3-10.4.3-1build10.4.3-1build20.4.3-1build3	None known
`wildmidi` Ubuntu:26.10	All versions, plus listed versions 0.4.6-1	None known
`wildmidi` Ubuntu:26.04:LTS	All versions, plus listed versions 0.4.3-1build30.4.6-1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-111163 is a medium vulnerability (CVSS 6.8) in Mindwerks Wildmidi, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. No source names a fixed version.

References

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