This bug was fixed in Debian 10 months ago, in Firefox 43, why Ubuntu
developers doesn't accept 2 lines patch, which is accepted in Debian
since December 2015?
iceweasel (43.0-1) experimental; urgency=medium
* New upstream release.
[...]
* toolkit/mozapps/extensions/internal/XPIProvider.jsm: Allow unsigned
addons in /usr/{lib,share}/mozilla/extensions. Closes: #800150.
There are lots of cases, when system administrators must install firefox
extension for all users, for example flashblock and adblock are widely
used in schools and other educational institutions, also this is a
regression, because Ubuntu 14.04 and 12.04 LTS versions allowed to use
extensions from deb packages, see bug #1507494 - Extensions stopped
working (Ubuntu 12.04 LTS)
** Package changed: iceweasel (Debian) => firefox (Debian)
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https://bugs.launchpad.net/bugs/1532484
Title:
Don't warn about unsigned extension installed via Debian packages
Status in firefox package in Ubuntu:
Confirmed
Status in firefox package in Debian:
Fix Released
Bug description:
"Mozilla is in the progress of requiring extensions to be signed, which I
think is a good thing. However, for Debian packages we
already have it signed by the Developer uploading it, I see no need to have
Mozilla also sign it. I suggest we don't warn / disable about extensions
installed on the system, but do require the signature for those that are
installed by browser itself." [1]
Shipping signed extensions in Debian packages is no options, because
then we could only ship unmodified, pre-build extensions. That
contradicts the Debian Free Software Guidelines (DFSG) #3 and signed
extensions are not the preferred source for modification.
So, please allow unsigned extensions installed in the system
directory. Debian already applied a patch for it (see Debian bug
#800150). Everyone having write access to the system directory would
probably also have access to the files of Firefox and could tinker
with it.
This severity of this bug will raise when Mozilla will reject unsigned
extensions (planned for Firefox 44).
[1] https://bugs.debian.org/800150
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