CVE-2026-7740 justdan96 tsMuxer vvc.cpp setFPS denial of service
A local attacker can cause a denial of service in tsMuxer by manipulating the track_id argument in the setFPS function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7740?
CVE-2026-7740 is a medium-severity denial of service vulnerability in justdan96 tsMuxer, published on 4 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security vulnerability has been detected in justdan96 tsMuxer up to 2.7.0. This issue affects the function VvcVpsUnit::setFPS of the file tsMuxer/vvc.cpp. Such manipulation of the argument track_id leads to denial of service. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Weakness: CWE-404
Which versions are affected by CVE-2026-7740?
How do I fix CVE-2026-7740?
No fix has been published for CVE-2026-7740 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-2026-7740 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7740 exists.
Sources
Also known as GHSA-5p4r-jv9q-2fw8.