The remote host is missing an update to camlimages announced via advisory DSA 1912-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201912-1

It was discovered that CamlImages, an open source image processing library, suffers from several integer overflows, which may lead to a potentially exploitable heap overflow and result in arbitrary code execution. This advisory addresses issues with the reading of TIFF files. It also expands the patch for CVE-2009-2660 to cover another potential overflow in the processing of JPEG images. For the oldstable distribution (etch), this problem has been fixed in version 2.20-8+etch3. For the stable distribution (lenny), this problem has been fixed in version 1:2.2.0-4+lenny3. For the testing distribution (squeeze) and the unstable distribution (sid), this problem will be fixed soon. We recommend that you upgrade your camlimages package.