Microsoft Internet Explorer DoS in Rendering Malicious PNG Files.：SecurityFocus（情報元のブックマーク数）
IE7とIE8にPNG関係のDoSを受ける脆弱性が存在するそうです。
http://www.securityfocus.com/archive/1/496483Description:*
The Internet Explorer 7 is vulnerable to Denial of Service while
handling malicious
PNG files. The IE shows a intrinsic vulnerable response while loading
images.This
issue can be exploited by an attacker by letting a victim to visit a
malicious web page
embedded with rogue PNG Files there by leading to denial of service.
