CVE-2026-111163 WildMIDI through 0.5.0 Heap Out-of-Bounds Read via _WM_ParseNewHmi
Attackers can crash applications or leak memory by providing a crafted HMI file to the WildMIDI library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111163?
CVE-2026-111163 is a medium-severity memory corruption vulnerability in Mindwerks WildMIDI, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2026-111163?
How do I fix CVE-2026-111163?
No fix has been published for CVE-2026-111163 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-111163 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111163 exists.
Sources
Also known as DEBIAN-CVE-2026-111163, ECHO-12ea-6101-0b07, GHSA-mgqp-8p5v-r4q9, UBUNTU-CVE-2026-111163.