For those that are using Oracle products - you may want to take a look at  US-CERT Technical Cyber Security Alert TA05-292A. It states that  various Oracle products and components are affected by multiple
 vulnerabilities. The impacts of these vulnerabilities include  unauthenticated, remote code execution, information disclosure, and  denial of service.

Oracle released a Critical Patch Update in October 2005 which addresses more than eighty vulnerabilities in different Oracle products and  components.

Oracle Critical Patch Update and Security Alert