CVE-2011-4579 Memory corruption in n/a
Remote attackers can cause denial of service via memory corruption in FFmpeg's SVQ1 decoder by sending a crafted stream.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-4579?
CVE-2011-4579 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, with no action from the victim.
Official description
The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."
Weakness: CWE-119
Which versions are affected by CVE-2011-4579?
It affects 2 products.
Products include Ffmpeg Ffmpeg, Libav Libav.
How do I fix CVE-2011-4579?
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-2011-4579 being exploited?
There is no known exploitation of CVE-2011-4579 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2011-4579, GHSA-pj2p-3xg2-cf68.