XFree86 4.1.0 allows remote attackers to cause a denial of service and possibly execute arbitrary code via an out-of-bounds array index when using the GLX extension and Direct Rendering Infrastructure (DRI).
https://exchange.xforce.ibmcloud.com/vulnerabilities/15272
http://www.securityfocus.com/bid/9701
http://www.redhat.com/support/errata/RHSA-2004-152.html
http://www.debian.org/security/2004/dsa-443
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000824