The remote host is missing an update to iceweasel announced via advisory DSA 1671-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201671-1

Several remote vulnerabilities have been discovered in the Iceweasel webbrowser, an unbranded version of the Firefox browser. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2008-0017 Justin Schuh discovered that a buffer overflow in the http-index-format parser could lead to arbitrary code execution. CVE-2008-4582 Liu Die Yu discovered an information leak through local shortcut files. CVE-2008-5012 Georgi Guninski, Michal Zalewski and Chris Evan discovered that the canvas element could be used to bypass same-origin restrictions. CVE-2008-5013 It was discovered that insufficient checks in the Flash plugin glue code could lead to arbitrary code execution. CVE-2008-5014 Jesse Ruderman discovered that a programming error in the window.__proto__.__proto__ object could lead to arbitrary code execution. CVE-2008-5017 It was discovered that crashes in the layout engine could lead to arbitrary code execution. CVE-2008-5018 It was discovered that crashes in the Javascript engine could lead to arbitrary code execution. CVE-2008-5021 It was discovered that a crash in the nsFrameManager might lead to the execution of arbitrary code. CVE-2008-5022 moz_bug_r_a4 discovered that the same-origin check in nsXMLHttpRequest::NotifyEventListeners() could be bypassed. CVE-2008-5023 Collin Jackson discovered that the -moz-binding property bypasses security checks on codebase principals. CVE-2008-5024 Chris Evans discovered that quote characters were improperly escaped in the default namespace of E4X documents. For the stable distribution (etch), these problems have been fixed in version 2.0.0.18-0etch1. For the upcoming stable distribution (lenny) and the unstable distribution (sid), these problems have been fixed in version 3.0.4-1 of iceweasel and version 1.9.0.4-1 of xulrunner. Packages for arm and mips will be provided soon. We recommend that you upgrade your iceweasel package.