The remote host is missing an update to centericq announced via advisory DSA 1088-1.
Mehdi Oudad and Kevin Fernandez discovered a buffer overflow in the ktools library which is used in centericq, a text-mode multi-protocol instant messenger client, which may lead local or remote attackers to execute arbitrary code.
For the old stable distribution (woody) this problem has been fixed in version 4.5.1-1.1woody2.
For the stable distribution (sarge) this problem has been fixed in version 4.20.0-1sarge4.
For the unstable distribution (sid) this problem has been fixed in version 4.21.0-6.
We recommend that you upgrade your centericq package.