The remote host is missing an update to imagemagick announced via advisory DSA 593-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%20593-1

A vulnerability has been reported for ImageMagick, a commonly used image manipulation library. Due to a boundary error within the EXIF parsing routine, a specially crafted graphic images could lead to the execution of arbitrary code. For the stable distribution (woody) this problem has been fixed in version 5.4.4.5-1woody4. For the unstable distribution (sid) this problem has been fixed in version 6.0.6.2-1.5. We recommend that you upgrade your imagemagick packages.