LXer: If you’re running Iceweasel 4.0.1 from mozilla.debian.net, change your sources to Iceweasel 5.
 

Published at LXer:

Mozilla is continuing development for Firefox not in the 4.0.x series but in 5.x. So there will presumably be no security updates for Iceweasel past 4.0.1, which is what I’m running now from the Debian Mozilla Team’s repository.

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