CVE-2015-6822 Memory corruption in n/a
Remote attackers can cause a denial of service via crafted LucasArts Smush video data due to improper buffer maintenance 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-2015-6822?
CVE-2015-6822 is a high-severity memory corruption vulnerability in Ffmpeg Ffmpeg, published on 6 Sep 2015. 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 destroy_buffers function in libavcodec/sanm.c in FFmpeg before 2.7.2 does not properly maintain height and width values in the video context, which allows remote attackers to cause a denial of service (segmentation violation and application crash) or possibly have unspecified other impact via crafted LucasArts Smush video data.
Weakness: CWE-17
Which versions are affected by CVE-2015-6822?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2015-6822?
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-2015-6822 being exploited?
There is no known exploitation of CVE-2015-6822 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2015-6822, GHSA-783g-j5x4-5893.