Enterprise Linux users should update their installations of XFree86 to remedy several security holes, some of which could allow attackers to take over a system. According to an advisory released by Red Hat affected operating systems include Enterprise Linux AS 3, Enterprise Linux ES 3 and Enterprise Linux WS 3.

XFree86 is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces (GUIs) such as GNOME and KDE are designed upon.

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