Nessus Network Monitor leverages third-party software to help provide underlying functionality. One of the third-party components (OpenSSL) were found to contain vulnerabilities, and updated versions have been made available by the providers. Out of caution and in line with good practice, Tenable opted to upgrade the bundled OpenSSL to address the potential impact of these issues. Nessus Network Monitor 5.5.0 updates OpenSSL to version 1.0.2o to address the identified vulnerabilities.
Vulmon