CVE-2025-8537 Axiomatic Bento4 mp4decrypt Mp4Decrypt.cpp SetDataSize allocation of resources
Remote attackers can cause resource exhaustion in Bento4's mp4decrypt tool via crafted media files, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8537?
CVE-2025-8537 is a medium-severity denial of service vulnerability in Axiosys Bento4, published on 5 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability, which was classified as problematic, was found in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_DataBuffer::SetDataSize of the file Mp4Decrypt.cpp of the component mp4decrypt. The manipulation leads to allocation of resources. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-8537?
It affects 1 product.
Products include Axiosys Bento4.
How do I fix CVE-2025-8537?
No fix has been published for CVE-2025-8537 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-2025-8537 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8537 exists.
Other vulnerabilities in Axiosys Bento4
Sources
Also known as GHSA-xr65-fgv2-r9vh.