The remote host is missing an update to mozilla announced via advisory DSA 1046-1. For details on the issues addressed by the missing update, please visit the referenced security advisories.

For the stable distribution (sarge) these problems have been fixed in version 1.7.8-1sarge5. For the unstable distribution (sid) these problems will be fixed in version 1.7.13-1. We recommend that you upgrade your Mozilla packages. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201046-1