bsc#964844: Fixed security advisory 8, Stack overflow in parser, http://www.openwall.com/lists/oss-security/2016/02/01/5.
bsc#938913: Improved resilience against Logjam attacks (CVE-2015-4000) by increasing the size of the default DH group from 512 to 2048 bit. This change avoids the non-prime 1024 bit DH p parameter in OpenSSL http://www.dest-unreach.org/socat/contrib/socat-secadv7.html.