CVE-2015-6823 Null dereference in n/a
Remote attackers can cause a denial of service via crafted ALAC audio data due to uninitialized context data in FFmpeg.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-6823?
CVE-2015-6823 is a high-severity vulnerability in Ffmpeg Ffmpeg, published on 6 Sep 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The allocate_buffers function in libavcodec/alac.c in FFmpeg before 2.7.2 does not initialize certain context data, which allows remote attackers to cause a denial of service (segmentation violation) or possibly have unspecified other impact via crafted Apple Lossless Audio Codec (ALAC) data.
Weakness: CWE-17
Which versions are affected by CVE-2015-6823?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2015-6823?
Upgrade to a fixed version.
Is CVE-2015-6823 being exploited?
There is no known exploitation of CVE-2015-6823 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2015-6823, GHSA-ppw2-32fh-5wfq, UBUNTU-CVE-2015-6823.