The ATI kernel driver (atikmdag.sys) in Microsoft Windows Vista allows user-assisted remote attackers to cause a denial of service (crash) via a crafted JPG image, as demonstrated by a slideshow, possibly due to a buffer overflow.
archives.neohapsis.com/archives/vulnwatch/2007-q1/0077.html
leovilletownsquare.com/fusionbb/showtopic.php?fid/27/tid/17600/
secunia.com/advisories/24667
securityvulns.com/news/Microsoft/Vista/ATI.html
www.osvdb.org/33635
www.vupen.com/english/advisories/2007/1160
exchange.xforce.ibmcloud.com/vulnerabilities/33300