CVE-2011-3946 Denial of service in n/a
Remote attackers can cause a denial of service via crafted SEI data in FFmpeg, triggering an infinite loop in the H.264 decoder.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-3946?
CVE-2011-3946 is a medium-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 9 Dec 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ff_h264_decode_sei function in libavcodec/h264_sei.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via crafted Supplemental enhancement information (SEI) data, which triggers an infinite loop.
Weakness: CWE-399
Which versions are affected by CVE-2011-3946?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2011-3946?
Upgrade to a fixed version.
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-2011-3946 being exploited?
There is no known exploitation of CVE-2011-3946 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2011-3946, GHSA-wwfj-h5pc-cmm2.