The remote host is missing an update to freetype announced via advisory DSA 1178-1. It was discovered that an integer overflow in freetype's PCF font code may lead to denial of service and potential execution of arbitrary code.

For the stable distribution (sarge) this problem has been fixed in version 2.1.7-6. For the unstable distribution (sid) this problem has been fixed in version 2.2.1-5. We recommend that you upgrade your freetype package. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201178-1