On 06.03.2016 19:13, Mark Felder wrote:


On Sun, Mar 6, 2016, at 04:15, Stefan Ehmann wrote:
On 29.02.2016 18:25, Patrick Hess wrote:
Hi,

After upgrading graphics/giflib from 5.1.1 to 5.1.2_1, Konqueror won't
display GIF images in web pages:

      http://www.phess.net/images/giflib-bug.png

On the left hand side, with giflib 5.1.1, everything looks as expected.
On the right hand side, after upgrading giflib to 5.1.2_1, none of the
GIF icons are rendered correctly. Only the Fresh Ports logo and the two
magnifying glass icons are still there (as they're JPEGs, not GIFs).

I located the problem. konqueror isn't the only program affected.

See https://sourceforge.net/p/giflib/bugs/84/

You can put my patch in the SF ticket in
/usr/ports/graphics/giflib/files/ to test it.

I'll wait some days to see if there's an upstream fix before submitting
a FreeBSD bugzilla ticket.

The gvpart workaround I mentioned previously doesn't really work BTW.
Some GIFs just worked by chance after konqueror restart.


Hi,

The giflib update was security related so this is a regression due to
the update I pushed. I am very pleased you were able to identify the
issue at hand.

Please keep me / ports-secteam in the loop.

So far there hasn't been any upstream fix.

I created a bugzilla ticket containing my fix:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207849
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