Re: CVE Request: gdk-pixbuf: Additional fixes to protect against overlows in pixops_* functions (similar to CVE-2015-7674)

[Salvatore Bonaccorso <carnil () debian org>]

Hi,

On Thu, May 12, 2016 at 11:23:02AM +0200, Salvatore Bonaccorso wrote:
> Hi
>
> CVE-2015-7674, an interger overflow flaw in the pixops_scale_nearest
> function, was fixed by
>
> https://git.gnome.org/browse/gdk-pixbuf/commit/?id=e9a5704edaa9aee9498f1fbf6e1b70fcce2e55aa
>
> There is another commit in the gdk-pixbuf repository to fix overflows
> in the pixops_composite_nearest, pixops_composite_color_nearest and
> pixops_process functions:
>
> https://git.gnome.org/browse/gdk-pixbuf/commit/?id=dbfe8f70471864818bf458a39c8a99640895bd22
>
> Can you aassing an additional CVE for this since the scope for
> CVE-2015-7674 was for the pixops_scale_nearest function?

I realise I did not made that clear: The two commits were not fixed in
the same release, the initial one resulting in CVE-2015-7674 is
contained in 2.32.1, wereas the second commit came later in 2.33.1.

Regards,
Salvatore