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Ubuntu: USN-3967-1 (CVE-2019-9721): FFmpeg vulnerabilities

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Ubuntu: USN-3967-1 (CVE-2019-9721): FFmpeg vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
03/12/2019
Created
05/08/2019
Added
05/07/2019
Modified
03/09/2021

Description

A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video file in Matroska format, because handle_open_brace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.

Solution(s)

  • ubuntu-upgrade-ffmpeg
  • ubuntu-upgrade-libavcodec-extra57
  • ubuntu-upgrade-libavcodec-extra58
  • ubuntu-upgrade-libavcodec57
  • ubuntu-upgrade-libavcodec58
  • ubuntu-upgrade-libavdevice57
  • ubuntu-upgrade-libavdevice58
  • ubuntu-upgrade-libavfilter-extra6
  • ubuntu-upgrade-libavfilter-extra7
  • ubuntu-upgrade-libavfilter6
  • ubuntu-upgrade-libavfilter7
  • ubuntu-upgrade-libavformat57
  • ubuntu-upgrade-libavformat58
  • ubuntu-upgrade-libavresample3
  • ubuntu-upgrade-libavresample4
  • ubuntu-upgrade-libavutil55
  • ubuntu-upgrade-libavutil56
  • ubuntu-upgrade-libpostproc54
  • ubuntu-upgrade-libpostproc55
  • ubuntu-upgrade-libswresample2
  • ubuntu-upgrade-libswresample3
  • ubuntu-upgrade-libswscale4
  • ubuntu-upgrade-libswscale5

References

  • USN-3967-1
  • USN-4431-1
  • CVE-2019-9721

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