CVE-2026-36911 Denial of service in n/a
Attackers can cause a denial of service in MPC-BE media player by providing a crafted MP4 file that triggers a division-by-zero error.
- 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-2026-36911?
CVE-2026-36911 is a medium-severity denial of service vulnerability in n/a, published on 1 Jul 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
A division-by-zero vulnerability in the CStreamSwitcherOutputPin::DecideBufferSize function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
Weakness: CWE-369
Which versions are affected by CVE-2026-36911?
How do I fix CVE-2026-36911?
No fix has been published for CVE-2026-36911 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-2026-36911 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36911 exists.
Sources
Also known as GHSA-78wm-m59p-255g.