CVE-2010-4819
The ProcRenderAddGlyphs function in the Render extension (render/render.c) in X.Org xserver 1.7.7 and earlier allows local users to read arbitrary memory and possibly cause a denial of service (server crash) via unspecified vectors related to an "input sanitization flaw."
Date published : 2012-09-05
http://aix.software.ibm.com/aix/efixes/security/X_advisory2.asc