squeeze update of librsvg?

[Salvatore Bonaccorso]

Hi Santiago,

Sorry for the late reply.

On Sat, Jan 09, 2016 at 07:06:35PM +0100, Santiago Ruano Rincón wrote:
> Hi,
> 
> El 30/12/15 a las 01:49, Ben Hutchings escribió:
> > Hello dear maintainer(s),
> > 
> > the Debian LTS team would like to fix the security issues which are
> > currently open in the Squeeze version of librsvg:
> > https://security-tracker.debian.org/tracker/CVE-2015-7557
> > https://security-tracker.debian.org/tracker/CVE-2015-7558
> 
> Regarding Squeeze and AFAICS, while the fix for CVE-2015-7557 is simple,
> the CVE-2015-7558 is not trivial. It has been fixed by many changes in the
> checks of cyclic references, using the new rsvg_acquire_node function
> (i.e. https://git.gnome.org/browse/librsvg/commit/?id=a51919f7e1ca9c535390a746fbf6e28c8402dc61).
> 
> I cannot find info about how CVE-2015-7558 is exploitable, but I'd say
> that is no-dsa. What do you think? What's the security team position
> about it?

I have marked one issue as no-dsa for wheezy- and jessie
(CVE-2015-7557). Regarding CVE-2015-7558, not sure here. But if the
fix is too intrusive to backport we can mark it as <no-dsa> (Too
intrusive to backport).

Regards,
Salvatore