A cross-site scripting vulnerability was discovered in sqwebmail, a web mail application provided by the courier mail suite, whereby an attacker could cause web script to be executed within the security context of the sqwebmail application by injecting it via an email message.
For the current stable distribution (woody), this problem has been fixed in version 0.37.3-2.5.
For the unstable distribution (sid), this problem has been fixed in version 0.45.4-4.
We recommend that you update your courier package.
Upgrade Instructions --------------------
wget url will fetch the file for you dpkg -i file.deb will install the referenced file.
If you are using the apt-get package manager, use the line for sources.list as given below:
apt-get update will update the internal database apt-get upgrade will install corrected packages
You may use an automated update by adding the resources from the footer to the proper configuration.
Debian GNU/Linux 3.0 alias woody --------------------------------