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.
Vector
NETWORK
Complexity
LOW
Authentication
SINGLE_INSTANCE
Confidentiality
COMPLETE
Integrity
NONE
Availability
NONE