The remote host is missing an update to bind9 announced via advisory DSA 1172-1. Two vulnerabilities have been discovered in BIND9, the Berkeley Internet Name Domain server. The first relates to SIG query processing and the second relates to a condition that can trigger an INSIST failure, both lead to a denial of service.

For the stable distribution (sarge) these problems have been fixed in version 9.2.4-1sarge1. For the unstable distribution (sid) these problems have been fixed in version 9.3.2-P1-1. We recommend that you upgrade your bind9 package. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201172-1