CVE-2025-25473 Null dereference in n/a

Medium 5.3 Published Updated

A null pointer dereference in FFmpeg's memory management can cause a denial of service when processing media files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-25473?

CVE-2025-25473 is a medium-severity vulnerability in n/a, published on 18 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

FFmpeg git master before commit c08d30 was discovered to contain a memory leak in the avformat_free_context function in libavutil/mem.c.

Weakness: CWE-476

Which versions are affected by CVE-2025-25473?

How do I fix CVE-2025-25473?

Apply the vendor's patch.

Is CVE-2025-25473 being exploited?

There is no known exploitation of CVE-2025-25473 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2025-25473, GHSA-c92g-p5cr-cr59, UBUNTU-CVE-2025-25473.

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