XFree86 Direct Rendering Infrastructure Buffer Overflow Vulnerabilities Solution:
Debian has released an advisory (DSA 443-1) and fixes to address this issue. See the referenced advisory for fix information.
Conectiva has released advisory CLSA-2004:824 and fixes for their Enterprise Linux distribution.
Redhat Linux has released advisory RHSA-2004:152-04 dealing with this issue for their enterprise distribution. Please see the referenced web advisory for more information and details on obtaining the updated packages.
Silicon Graphics has released advisory 20040406-01-U dealing with this issue as well as others. Please see the referenced advisory for more information and details on obtaining fixes.
XFree86 X11R6 4.1 .0
XFree86 X11R6 4.2 .0