[Bug 1643467] [NEW] Firefox 50 blocks Ubuntu 12.04 and 14.04 LTS's version of libavcodec

Launchpad Bug Tracker 1643467 at bugs.launchpad.net
Sat Jan 21 10:22:58 UTC 2017


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

You have been subscribed to a public security bug by Norbert (nrbrtx):

Whenever it tries to play a video, Firefox 50 displays this message at the top of every page:
"libavcodec may be vulnerable or is not supported, and should be updated to play video"

https://dxr.mozilla.org/mozilla-central/source/browser/locales/en-
US/chrome/browser/browser.properties?q=%22libavcodec+may+be+vulnerable%22&redirect_type=single#742

Firefox refuses any libavcodec version prior to 54.35.1 (unless
media.libavcodec.allow-obsolete==true).

https://dxr.mozilla.org/mozilla-
central/source/dom/media/platforms/ffmpeg/FFmpegLibWrapper.cpp#60

Users should not be subjected to this warning, as it is vague (does not instruct them how to fix it).
Ubuntu 14.04 LTS should ship with an updated version of libavcodec.

DistroRelease: Ubuntu 14.04
Package: firefox 50.0+build2-0ubuntu0.14.04.2

** Affects: libav
     Importance: Unknown
         Status: Unknown

** Affects: firefox (Ubuntu)
     Importance: Undecided
     Assignee: afrugiada (afrugiada)
         Status: Confirmed

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

** Affects: firefox (Ubuntu Precise)
     Importance: Undecided
         Status: Fix Released

** Affects: libav (Ubuntu Precise)
     Importance: Undecided
         Status: Confirmed

** Affects: firefox (Ubuntu Trusty)
     Importance: Undecided
         Status: Fix Released

** Affects: libav (Ubuntu Trusty)
     Importance: Undecided
         Status: Fix Released


** Tags: amd64 apport-bug precise regression-update trusty
-- 
Firefox 50 blocks Ubuntu 12.04 and 14.04 LTS's version of libavcodec
https://bugs.launchpad.net/bugs/1643467
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