** Changed in: firefox (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1643467
Title:
Firefox 50 blocks Ubuntu 12.04 and 14.04 LTS's version of libavcodec
Status in libav:
Unknown
Status in firefox package in Ubuntu:
Fix Released
Status in libav package in Ubuntu:
Invalid
Status in firefox source package in Precise:
Fix Released
Status in libav source package in Precise:
Confirmed
Status in firefox source package in Trusty:
Fix Released
Status in libav source package in Trusty:
Fix Released
Bug description:
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
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