The remote host is missing updates announced in advisory RHSA-2005:198.
X.Org X11 is the X Window System which provides the core functionality of the Linux GUI desktop.
An integer overflow flaw was found in libXpm, which is used by some applications for loading of XPM images. An attacker could create a carefully crafted XPM file in such a way that it could cause an application linked with libXpm to execute arbitrary code when the file was opened by a victim. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2005-0605 to this issue.
An additional number of bugfixes have been included in the missing update. For a more detailed description of the issues resolved, please visit the referenced security advisory.
Solution: Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date