ssh2 2.0.13-6 vulnerable to crc32 compensation attack ?

[Philipp Haeuser <birdy@epost.de>]

Hi -

Is ssh2 2.0.13-6 (the debian/unstable package from
packages.debian.org) vulnerable to the crc32 compensation
attack described here ?

http://razor.bindview.com/publish/advisories/adv_ssh1crc.html

How about the ssh 1:1.2.3-9.3 and ssh-nonfree 1.2.27-6.1 packages
(debian/stable from packages.debian.org), are they safe regarding
this attack?

Thanks for your help.

Regards
Philipp Haeuser