This update for Iceweasel, a web browser based on Firefox, updates the
certificate blacklist for several fraudulent HTTPS certificates. More
details can be found in a blog posting by Jacob Appelbaum of the Tor
project:

https://blog.torproject.org/category/tags/ssl-tls-ca-tor-certificates-torbrowser

For the lenny-backports distribution the problems have been fixed in
version 3.5.16-6~bpo50+1.

For the oldstable distribution (lenny), this problem has been fixed in
version 1.9.0.19-9 of the xulrunner source package.

For the stable distribution (squeeze), this problem has been fixed in
version 3.5.16-6.

For the unstable distribution (sid), this problem has been fixed in
version 3.5.18-1.

For the experimental distribution, this problem has been fixed in
version 4.0~rc2-1.

Upgrade instructions
--------------------

If you don't use pinning (see [1]) you have to update the package
manually via "apt-get -t lenny-backports install <packagelist>" with
the packagelist of your installed packages affected by this update.
[1] <https://backports.debian.org/Instructions>

We recommend to pin (in /etc/apt/preferences) the backports repository to
200 so that new versions of installed  backports will be installed
automatically.

  Package: *
  Pin: release a=lenny-backports
  Pin-Priority: 200