CVE-2015-6818

State: Published
Severity: Not scored
Published: Sep 6, 2015
Updated: Aug 6, 2024
Reserved: Sep 5, 2015

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

USN-2944-1vendor-advisory
[debian-lts-announce] 20181220 [SECURITY] [DLA 1611-1] libav security updatemailing-list
1033483vdb-entry
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=47f4e2d8960ca756ca153ab8e3e93d80449b8c91
http://ffmpeg.org/security.html

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