The remote host is missing an update to webkit announced via advisory USN-836-1.

The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.10: libwebkit-1.0-1 1.0.1-2ubuntu0.2 libwebkit-1.0-1-dbg 1.0.1-2ubuntu0.2 libwebkit-dev 1.0.1-2ubuntu0.2 Ubuntu 9.04: libwebkit-1.0-1 1.0.1-4ubuntu0.1 libwebkit-1.0-1-dbg 1.0.1-4ubuntu0.1 libwebkit-dev 1.0.1-4ubuntu0.1 After a standard system upgrade you need to restart any applications that use WebKit, such as Epiphany-webkit and Midori, to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-836-1

It was discovered that WebKit did not properly handle certain SVGPathList data structures. If a user were tricked into viewing a malicious website, an attacker could exploit this to execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0945) Several flaws were discovered in the WebKit browser and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1687, CVE-2009-1690, CVE-2009-1698, CVE-2009-1711, CVE-2009-1725) It was discovered that WebKit did not prevent the loading of local Java applets. If a user were tricked into viewing a malicious website, an attacker could exploit this to execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1712)