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[Amr Ibrahim <1662513@xxxxxxxxxxxxxxxxxx>]

*** This bug is a security vulnerability ***

Public security bug reported:

version 9.21:
- mpeg12: move setting first_field to mpeg_field_start() (libav/999)
- mpeg12: avoid signed overflow in bitrate calculation (libav/981)
- mpegvideo_parser: avoid signed overflow in bitrate calculation (libav/981)
- avformat/output-example: Declare link dependency on libswscale in the Makefile
- build: output-example: Add avutil to ELIBS in link command

** Affects: libav (Ubuntu)
     Importance: Undecided
         Status: New

** Information type changed from Private Security to Public Security

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-9822

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-9821

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https://bugs.launchpad.net/bugs/1662513

Title:
  Update to 9.21 in Trusty

Status in libav package in Ubuntu:
  New

Bug description:
  version 9.21:
  - mpeg12: move setting first_field to mpeg_field_start() (libav/999)
  - mpeg12: avoid signed overflow in bitrate calculation (libav/981)
  - mpegvideo_parser: avoid signed overflow in bitrate calculation (libav/981)
  - avformat/output-example: Declare link dependency on libswscale in the Makefile
  - build: output-example: Add avutil to ELIBS in link command

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