CVE-2017-7866 Memory corruption in n/a
A stack-based buffer overflow in FFmpeg's PNG decoder allows attackers to execute arbitrary code or cause denial of service via crafted files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7866?
CVE-2017-7866 is a critical memory corruption vulnerability in Ffmpeg Ffmpeg, published on 14 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
Weakness: CWE-787
Which versions are affected by CVE-2017-7866?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2017-7866?
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-2017-7866 being exploited?
There is no known exploitation of CVE-2017-7866 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2017-7866, GHSA-6hc6-27m3-7grx, UBUNTU-CVE-2017-7866.