Multiple buffer overflows in the useEncodingDecl function in Java Web Start in Sun JDK and JRE 6 Update 4 and earlier, and 5.0 Update 14 and earlier, allow remote attackers to execute arbitrary code via a JNLP file with (1) a long key name in the xml header or (2) a long charset value, different issues than CVE-2008-1189, aka "The first two issues."