CVE-2026-105250 vgmstream Microsoft IMA Decoder ima_decoder.c decode_ms_ima divide by zero
A remote attacker can cause a denial of service in vgmstream by triggering a divide by zero error in the Microsoft IMA decoder.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-105250?
CVE-2026-105250 is a medium-severity denial of service vulnerability in vgmstream, published on 5 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A security vulnerability has been detected in vgmstream up to r2117. Affected is the function decode_ms_ima of the file src/coding/ima_decoder.c of the component Microsoft IMA Decoder. Such manipulation leads to divide by zero. The attack can be executed remotely.
Which versions are affected by CVE-2026-105250?
How do I fix CVE-2026-105250?
No fix has been published for CVE-2026-105250 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-105250 being exploited?
There is no known exploitation of CVE-2026-105250 in the wild and no public exploit code.
Sources
Also known as GHSA-3mmp-rh6q-jfhh.