Several vulnerabilities have been found in imp4, a webmail component for
the horde framework. The Common Vulnerabilities and Exposures project
identifies the following problems:
For the oldstable distribution (etch), these problems have been fixed in
version 4.1.3-4etch1.
For the stable distribution (lenny), these problems have been fixed in
version 4.2-4, which was already included in the lenny release.
For the testing distribution (squeeze) and the unstable distribution
(sid), these problems have been fixed in version 4.2-4.
We recommend that you upgrade your imp4 packages.