CVE-2019-11339 Memory corruption in n/a
Remote attackers can cause denial of service or potential code execution via crafted MPEG-4 video data in FFmpeg.
- 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-2019-11339?
CVE-2019-11339 is a high-severity memory corruption vulnerability in Ffmpeg Ffmpeg, published on 18 Apr 2019. 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
The studio profile decoder in libavcodec/mpeg4videodec.c in FFmpeg 4.0 before 4.0.4 and 4.1 before 4.1.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via crafted MPEG-4 video data.
Weakness: CWE-125
Which versions are affected by CVE-2019-11339?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2019-11339?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-11339 being exploited?
There is no known exploitation of CVE-2019-11339 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as CLEANSTART-2024-YZ84147, DEBIAN-CVE-2019-11339, GHSA-x227-wfq2-5jxp, JLSEC-2025-104.