CVE-2008-1379
Integer overflow in the fbShmPutImage function in the MIT-SHM extension in the X server 1.4 in X.Org X11R7.3 allows context-dependent attackers to read arbitrary process memory via crafted values for a Pixmap width and height.
Date published : 2008-06-16
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html