libav (6:0.8.20-0+deb7u1) wheezy-security; urgency=high

libav (6:0.8.20-0+deb7u1) wheezy-security; urgency=high

  * Non-maintainer upload by the LTS Team.
  * New upstream release fixing multiple security issues.
    - CVE-2016-9820: mpegvideo: Fix undefined negative shifts in
      mpeg_motion_internal.
    - CVE-2016-9819: mpegvideo: Fix undefined negative shifts in
      ff_init_block_index.
    - mpeg12dec: move setting first_field to mpeg_field_start().
    - CVE-2016-9822: mpeg12dec: avoid signed overflow in bitrate
      calculation.
    - CVE-2016-9821: mpegvideo_parser: avoid signed overflow in bitrate
      calculation.
    - h264: Use the right H264Context for struct member comparison.

[dgit import unpatched libav 6:0.8.20-0+deb7u1]