CVE-2015-6818

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…

published September 6, 2015

CVSS
—
EPSS
2%
Percentile
83.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02412 · 83.9th percentile
Published
2015-09-06T01:00Z
EPSS history
Timeline
  • 06 SEP 01:00Z
    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…
    cvelistv5