CVE-2011-3952 Memory corruption in n/a
Remote attackers can cause a crash or execute arbitrary code by providing a malicious KMVC file with a large palette size to applications using 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-2011-3952?
CVE-2011-3952 is a medium-severity memory corruption vulnerability in Ffmpeg Ffmpeg, published on 20 Aug 2012. 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 decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
Weakness: CWE-20
Which versions are affected by CVE-2011-3952?
It affects 2 products.
Products include Ffmpeg Ffmpeg, Libav Libav.
How do I fix CVE-2011-3952?
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-2011-3952 being exploited?
There is no known exploitation of CVE-2011-3952 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2011-3952, GHSA-q8mw-vrp6-fqq8.