Applets or Applications are allowed to display an oversized window

Visual truncation vulnerability in the Java Runtime Environment in Sun JDK and JRE 6 Update 2 and earlier, JDK and JRE 5.0 Update 12 and earlier, SDK and JRE 1.4.215 and earlier, and SDK and JRE 1.3.120 and earlier allows remote attackers to circumvent display of the untrusted-code warning banner...