CVE-2026-92879 vgmstream mus_acm.c parse_mus resource consumption
Remote attackers can cause resource exhaustion in vgmstream via crafted MUS files, leading to denial of service.
- 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-2026-92879?
CVE-2026-92879 is a medium-severity denial of service vulnerability in vgmstream, published on 17 Sep 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 flaw has been discovered in vgmstream up to r2117. This issue affects the function parse_mus of the file src/meta/mus_acm.c. The manipulation results in resource consumption. The attack may be launched remotely. The patch is identified as ae37662ad626254ddd96ad69ac263792d7a92024. Applying a patch is advised to resolve this issue.
Which versions are affected by CVE-2026-92879?
How do I fix CVE-2026-92879?
No fix has been published for CVE-2026-92879 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-2026-92879 being exploited?
There is no known exploitation of CVE-2026-92879 in the wild and no public exploit code.
Sources
Also known as GHSA-8r6v-wgrg-22rc.