CVE-2015-6818
EPSS 0.89%
Description
The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR (aka image header) chunk in a PNG image, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted image with two or more of these chunks.
How to fix CVE-2015-6818
To remediate CVE-2015-6818, upgrade the affected package to a fixed version below.
- Debian/ffmpeg—upgrade to 7:2.7.2-1 or later
Is CVE-2015-6818 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 7:2.7.2-1