CVE-2013-1991
Multiple integer overflows in X.org libXxf86dga 1.1.3 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XDGAQueryModes and (2) XDGASetMode functions.
Date published : 2013-06-15
http://www.x.org/wiki/Development/Security/Advisory-2013-05-23