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Ubuntu Security Notice USN-3967-1
May 06, 2019

FFmpeg vulnerabilities
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===

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS

Summary:

FFmpeg could be made to crash if it opened a specially crafted
file.

Software Description:
- ffmpeg: Tools for transcoding, streaming and playing of multimedia
files

Details:

It was discovered that FFmpeg contained multiple security issues when
handling
certain multimedia files. If a user were tricked into opening a crafted
multimedia file, an attacker could cause a denial of service via
application
crash.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
  ffmpeg                          7:4.1.3-0ubuntu1
  libavcodec-extra58              7:4.1.3-0ubuntu1
  libavcodec58                    7:4.1.3-0ubuntu1
  libavdevice58                   7:4.1.3-0ubuntu1
  libavfilter-extra7              7:4.1.3-0ubuntu1
  libavfilter7                    7:4.1.3-0ubuntu1
  libavformat58                   7:4.1.3-0ubuntu1
  libavresample4                  7:4.1.3-0ubuntu1
  libavutil56                     7:4.1.3-0ubuntu1
  libpostproc55                   7:4.1.3-0ubuntu1
  libswresample3                  7:4.1.3-0ubuntu1
  libswscale5                     7:4.1.3-0ubuntu1

Ubuntu 18.10:
  ffmpeg                          7:4.0.4-0ubuntu1
  libavcodec-extra58              7:4.0.4-0ubuntu1
  libavcodec58                    7:4.0.4-0ubuntu1
  libavdevice58                   7:4.0.4-0ubuntu1
  libavfilter-extra7              7:4.0.4-0ubuntu1
  libavfilter7                    7:4.0.4-0ubuntu1
  libavformat58                   7:4.0.4-0ubuntu1
  libavresample4                  7:4.0.4-0ubuntu1
  libavutil56                     7:4.0.4-0ubuntu1
  libpostproc55                   7:4.0.4-0ubuntu1
  libswresample3                  7:4.0.4-0ubuntu1
  libswscale5                     7:4.0.4-0ubuntu1

Ubuntu 18.04 LTS:
  ffmpeg                          7:3.4.6-0ubuntu0.18.04.1
  libavcodec-extra57              7:3.4.6-0ubuntu0.18.04.1
  libavcodec57                    7:3.4.6-0ubuntu0.18.04.1
  libavdevice57                   7:3.4.6-0ubuntu0.18.04.1
  libavfilter-extra6              7:3.4.6-0ubuntu0.18.04.1
  libavfilter6                    7:3.4.6-0ubuntu0.18.04.1
  libavformat57                   7:3.4.6-0ubuntu0.18.04.1
  libavresample3                  7:3.4.6-0ubuntu0.18.04.1
  libavutil55                     7:3.4.6-0ubuntu0.18.04.1
  libpostproc54                   7:3.4.6-0ubuntu0.18.04.1
  libswresample2                  7:3.4.6-0ubuntu0.18.04.1
  libswscale4                     7:3.4.6-0ubuntu0.18.04.1

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3967-1
  CVE-2018-15822, CVE-2019-11338, CVE-2019-11339, CVE-2019-9718,
  CVE-2019-9721

Package Information:
  https://launchpad.net/ubuntu/+source/ffmpeg/7:4.1.3-0ubuntu1
  https://launchpad.net/ubuntu/+source/ffmpeg/7:4.0.4-0ubuntu1
  https://launchpad.net/ubuntu/+source/ffmpeg/7:3.4.6-0ubuntu0.18.04.1