For anyone running across this, we also were affected by this issue and worked with the Asterisk community to produce the patch referenced here: https://issues.asterisk.org/jira/browse/ASTERISK-28576 This will return nonzero values to prevent the hard assert, for anyone that is using packaged versions of OpenSSL that may be difficult to change. -- Sent from: http://openssl.6102.n7.nabble.com/OpenSSL-User-f3.html