OT: PHP 32 bit numbers security issue

[Lior Kaplan]

It's a hardware bug, which can be avoided by the right compilation flags.
Since it comes from the legacy x87 feature, it doesn't happen on x86_64
which is a newer architecture.

 Kaplan

p.s.
The link you gave bellow is to php.net not Zend.

On Wed, Jan 5, 2011 at 1:41 PM, Nadav Har'El <nyh at math.technion.ac.il>wrote:

> On Wed, Jan 05, 2011, Hetz Ben Hamo wrote about "OT: PHP 32 bit numbers
> security issue":
> > Hi,
> > I just found something related to PHP and handling 32 bit numbers, I
> wrote
> > about it here: http://goo.gl/xqQZd
>
> I found a fix on Zend's repository,
>
> http://svn.php.net/viewvc/php/php-src/trunk/Zend/zend_strtod.c?r1=307095&r2=307094&pathrev=307095
>
> Does anyone know anything about what caused this bug, how come a "volatile"
> fixed it (what, it was a gcc optimization bug?), and what does it have to
> do
> with 32 vs 64 bits?
>
>
> --
> Nadav Har'El                        |    Wednesday, Jan  5 2011, 29 Tevet
> 5771
> nyh at math.technion.ac.il
> |-----------------------------------------
> Phone +972-523-790466, ICQ 13349191 |The trouble with being punctual is
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