CVE 2010-1787
WebKit in Apple Safari before 5.0.1 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1.1 on Mac OS X 10.4; and webkitgtk before 1.2.6; allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a floating element in an SVG document.
See the 
CVE page on Mitre.org
for more details.
