Ubuntu Security Notice USN-204-1 – Yutaka Oiwa discovered a possible cryptographic weakness in OpenSSL applications. Applications using the OpenSSL library can use the SSL_OP_MSIE_SSLV2_RSA_PADDING option (or SSL_OP_ALL, which implies the former) to maintain compatibility with third party products, which is achieved by working around known bugs in them.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40775/usn-204-1.txt
Source: https://packetstormsecurity.com/files/40775/usn-204-1.txt.html