Issue summary: Calling the OpenSSL API function SSLselectnextproto with an empty supported client protocols buffer may cause a crash or memory contents to be sent to the peer.

IBM Cognos Analytics 11.1.7 11.2.0, and 11.2.1 could be vulnerable to a Server-Side Request Forgery Attack (SSRF) attack by constructing URLs from user-controlled data. This could enable attackers to make arbitrary requests to the internal network or to the local file system. IBM X-Force ID: 234180.

IBM Cognos Analytics 11.2.1, 11.2.0, and 11.1.7 could allow a remote attacker to upload arbitrary files, caused by improper content validation. IBM X-Force ID: 211238.