There is a vulnerability in OpenSSL found from robot version 5.90 through robot 7.61. The vulnerability is listed under CVE-2014-0224. Per the hub probe utility in hub v7.61, we are using OpenSSL1.0.0.c.
Robot versions 5.90 through 7.61
OpenSSL vulnerability. CVE-2014-0224
The current plan is to have the 8.x components all based on OpenSSL 1.0.0M.