The remote host is missing an update to xpdf announced via advisory DSA 2028-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202028-1

Several vulnerabilities have been identified in xpdf, a suite of tools for viewing and converting Portable Document Format (PDF) files. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2009-1188 and CVE-2009-3603 Integer overflow in SplashBitmap::SplashBitmap which might allow remote attackers to execute arbitrary code or an application crash via a crafted PDF document. CVE-2009-3604 NULL pointer dereference or heap-based buffer overflow in Splash::drawImage which might allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PDF document. CVE-2009-3606 Integer overflow in the PSOutputDev::doImageL1Sep which might allow remote attackers to execute arbitrary code via a crafted PDF document. CVE-2009-3608 Integer overflow in the ObjectStream::ObjectStream which might allow remote attackers to execute arbitrary code via a crafted PDF document. CVE-2009-3609 Integer overflow in the ImageStream::ImageStream which might allow remote attackers to cause a denial of service via a crafted PDF document. For the stable distribution (lenny), this problem has been fixed in version 3.02-1.4+lenny2. For the testing distribution (squeeze), this problem will be fixed soon. For the unstable distribution (sid), this problem has been fixed in version 3.02-2.