nse_libssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \n character to ssh-brute.nse or ssh-auth-methods.nse. CREATE(Triage):(User=admin) [CVE-2017-18594|https://nvd.nist.gov/vuln/detail/CVE-2017-18594]
