CVE-2007-4730
Description
From CVE.org
Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X.org X11 server before 1.4 allows local users to execute arbitrary code by copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.
Statement
Red Hat Enterprise Linux 5 is not affected by this flaw. More information can be found here: https://bugzilla.redhat.com/show_bug.cgi?id=285991
Red Hat Enterprise Linux 2.1 and 3 do not support the composite extension and are not vulnerable to this flaw.
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