rendering/svg/RenderSVGText.cpp in WebCore in WebKit in Google Chrome before 11.0.696.65 does not properly perform a cast of an unspecified variable during an attempt to handle a block child, which allows remote attackers to cause a denial of service (application crash) or possibly have unknown other impact via a crafted text element in an SVG document.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.