CVE-2025-25943 Memory corruption in n/a

High 7.8 Published Updated

A local attacker can execute arbitrary code via a buffer overflow in the Bento4 media library's Stz2 atom parser.

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-2025-25943?

CVE-2025-25943 is a high-severity memory corruption vulnerability in Axiosys Bento4, published on 19 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer Overflow vulnerability in Bento4 v.1.6.0-641 allows a local attacker to execute arbitrary code via the AP4_Stz2Atom::AP4_Stz2Atom component located in Ap4Stz2Atom.cpp.

Weakness: CWE-94

Which versions are affected by CVE-2025-25943?

It affects 1 product.

Products include Axiosys Bento4.

How do I fix CVE-2025-25943?

No fix has been published for CVE-2025-25943 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-25943 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-25943 exists.

All Axiosys Bento4 vulnerabilities

Sources

Also known as GHSA-cv3f-w5gj-ccpf.

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