The host is installed with Sun JDK or JRE 6 Update 10 or earlier, 5.0 Update 16 or earlier, 1.4.2_18 or earlier or 1.3.1_23 or earlier and is prone to a buffer overflow vulnerability. A flaw is present in the application, which fails to properly handle a crafted TrueType font file. Successful exploitation could allow attackers to execute arbitrary code.