The remote host is missing an update to mozilla announced via advisory DSA 1118-1. For details, please visit the referenced security advisories.

For the stable distribution (sarge) these problems have been fixed in version 1.7.8-1sarge7.1 For the unstable distribution (sid) these problems have been fixed in version 1.7.13-0.3. We recommend that you upgrade your Mozilla packages. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201118-1