CVE-2025-1816 FFmpeg IAMF File iamf_parse.c audio_element_obu memory leak
A memory leak in FFmpeg's IAMF file handler allows remote attackers to cause denial of service via crafted media files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-1816?
CVE-2025-1816 is a medium-severity denial of service vulnerability in FFmpeg, published on 2 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability classified as problematic has been found in FFmpeg up to 6e26f57f672b05e7b8b052007a83aef99dc81ccb. This affects the function audio_element_obu of the file libavformat/iamf_parse.c of the component IAMF File Handler. The manipulation of the argument num_parameters leads to memory leak. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 0526535cd58444dd264e810b2f3348b4d96cff3b. It is recommended to apply a patch to fix this issue.
Which versions are affected by CVE-2025-1816?
How do I fix CVE-2025-1816?
Apply the vendor's patch.
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-2025-1816 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-1816 exists.
Sources
Also known as DEBIAN-CVE-2025-1816, GHSA-77wf-7c6r-cx8j, UBUNTU-CVE-2025-1816.