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Ubuntu: USN-2944-1 (CVE-2015-6818): Libav vulnerabilities

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Ubuntu: USN-2944-1 (CVE-2015-6818): Libav vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
09/05/2015
Created
07/25/2018
Added
04/04/2016
Modified
09/19/2017

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.

Solution(s)

  • ubuntu-upgrade-libavcodec53
  • ubuntu-upgrade-libavformat53

References

  • USN-2944-1
  • 1033483
  • CVE-2015-6818

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