[USN-2185-1] Firefox vulnerabilities

[Jim Byrnes]

On 05/02/2014 08:58 PM, Benjamin Kaduk wrote:
> Hi Jim,
>
> On Fri, 2 May 2014, Jim Byrnes wrote:
>
>> On 05/02/2014 07:00 PM, Benjamin Kaduk wrote:
>>> Hi Chris,
>>>
>>> I can't seem to find any substantial amount of complaining (or really,
>>> any traffic at all) about this on the forums, bug tracker, or mailing
>>> lists, which is very confusing to me, but this firefox update appears to
>>> have broken printing PDFs from the in-browser pdf.js viewer.  Most of
>>> our systems here are running the 12.04 LTS (precise), but I think I
>>> could reproduce the failure on 14.04 (trusty) as well.  Even a simple
>>> "print to file" is sufficient to display the failure; the output is
>>> entirely blank. (We see a lot of blank pages in the output trays of the
>>> printers in our computer labs.)
>>>
>>> I filed https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1315020
>>> for tracking in Ubuntu, but the real action appears to be on the mozilla
>>> bug, https://bugzilla.mozilla.org/show_bug.cgi?id=1003707 .
>>>
>>> Has anyone seen reports like this?
>>
>> I am running 12.04 and Firefox just upgraded to FF 29.  I have been
>> able to print pdf's from FF with no problems.  If it makes a
>> difference I am printing to a Samsung CLX-3160FN networked printer and
>> and old HP Laserjet on a print server.
>
> Thanks for the extra data.  If only some systems are affected, that
> might explain why there has not been more traffic already.
>
> Can you please confirm that you are in fact using pdfjs to view PDFs
> in-browser (i.e., there is not some other plugin such as the adobe
> viewer that is being used)?  The value of pdfjs.disabled from
> about:config would also be useful. I'm slightly tempted to ask for a
> screenshot of a PDF being viewed in-browser to be linked to, but that's
> probably overkill.

My bad.  Adobe was in use, after turning it off, I too get blank pages.

Regards, Jim

>> I did notice that if you have multiple tabs open and try to print, the
>> print preview takes over the whole FF window and you cannot access
>> your other opened tabs until you close print preview.  I had a quick
>> look in about:config and there is a setting for printing from print
>> preview, but I have not had a chance to experiment with it.
>
> I would be inclined to treat that as a separate issue.  Perhaps you can
> file a bug?
>
> Thanks again,
>
> Ben
>