Please Install the Updated Packages.

XFree86 is an implementation of the X Window System, which provides the core functionality for the Linux graphical desktop. An input validation flaw was discovered in X.org's Security and Record extensions. A malicious authorized client could exploit this issue to cause a denial of service (crash) or, potentially, execute arbitrary code with root privileges on the X.Org server. (CVE-2008-1377) An integer overflow flaw was found in X.org's Render extension. A malicious authorized client could exploit this issue to cause a denial of service (crash) or, potentially, execute arbitrary code with root privileges on the X.Org server. (CVE-2008-2360) An input validation flaw was discovered in X.org's MIT-SHM extension. A client connected to the X.org server could read arbitrary server memory. This could result in the sensitive data of other users of the X.org server being disclosed. (CVE-2008-1379) Users of XFree86 are advised to upgrade to these updated packages, which contain backported patches to resolve these issues.

XFree86 on Red Hat Enterprise Linux AS (Advanced Server) version 2.1, Red Hat Enterprise Linux ES version 2.1, Red Hat Enterprise Linux WS version 2.1

• https://www.redhat.com/archives/rhsa-announce/2008-June/msg00011.html

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Updated on 2015-03-25