CVE-2014-125021 FFmpeg cmv_process_header memory corruption

Medium 5.3 Published 19 Jun 2022 Updated 15 Apr 2025

Remote attackers can trigger memory corruption in FFmpeg's CMV header processing, potentially leading to code execution or crashes.

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-2014-125021?

CVE-2014-125021 is a medium-severity memory corruption vulnerability in Ffmpeg Ffmpeg, published on 19 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was found in FFmpeg 2.0 and classified as problematic. This issue affects the function cmv_process_header. The manipulation leads to memory corruption. The attack may be initiated remotely. It is recommended to apply a patch to fix this issue.

Weakness: CWE-787, CWE-119

Which versions are affected by CVE-2014-125021?

It affects 1 product.

Products include Ffmpeg Ffmpeg.

How do I fix CVE-2014-125021?

No fix has been published for CVE-2014-125021 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-2014-125021 being exploited?

There is no known exploitation of CVE-2014-125021 in the wild and no public exploit code.

All Ffmpeg Ffmpeg vulnerabilities

Sources

Also known as GHSA-5928-7p5g-cvxm.