Knowledge Base

Summaries and Symptoms

This patch incorporates the changes from patch ESX350-200901410-SG: Security Update for libxml2 in the Service Console (1006660) into ESX 3.5 Update 4.

An integer overflow flaw causing a heap-based buffer overflow was found in the libxml2 XML parser. If an application linked against libxml2 processed untrusted, malformed XML content, it could cause the application to crash or, possibly, execute arbitrary code.

The Common Vulnerabilities and Exposures Project (cve.mitre.org) has assigned the name CVE-2008-4226 to this issue.

A denial of service flaw was discovered in the libxml2 XML parser. If an application linked against libxml2 processed untrusted, malformed XML content, it could cause the application to enter an infinite loop.

The Common Vulnerabilities and Exposures Project (cve.mitre.org) has assigned the name CVE-2008-4225 to this issue.

Deployment Considerations

None beyond the required patch bundles and reboot information listed in the table, above.

Patch Download and Installation

See the VMware Update Manager Administration Guide for instructions on using Update Manager to download and install patches to automatically update ESX Server 3.5 hosts.

To update ESX Server 3.5 hosts when not using Update Manager, download the most recent patch bundle from http://www.vmware.com/download/vi/vi3_patches_35.html and install the bundle using esxupdate from the command line of the host. For more information, see the ESX Server 3 Patch Management Guide.