US-CERT Technical Cyber Security Alert TA04-078A Multiple Vulnerabilities in OpenSSL US-CERT Vulnerability Note VU#288574 OpenSSL contains null-pointer assignment in do_change_cipher_spec() function US-CERT Vulnerability Note VU#484726 OpenSSL contains a flaw in the code that processes SSL/TLS handshakes when configured to use the Kerberos cipher suites US-CERT Vulnerability Note VU#465542 OpenSSL