OpenSSL is vulnerable to padding oracle attacks. A malicious user can use an SSLv2 server as a Bleichenbacher oracle, allowing the malicious user to decrypt TLS ciphertext data.
kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
lists.opensuse.org/opensuse-security-announce/2016-03/msg00001.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00002.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00004.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00006.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00007.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00012.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00025.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00038.html
openssl.org/news/secadv/20160301.txt
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-openssl
www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
www.securityfocus.com/bid/83764
www.securitytracker.com/id/1035133
bugzilla.redhat.com/show_bug.cgi?id=1310814
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
drownattack.com
git.openssl.org/?p=openssl.git;a=commit;h=ae50d8270026edf5b3c7f8aaa0c6677462b33d97
h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03741en_us
kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168
security.FreeBSD.org/advisories/FreeBSD-SA-16:12.openssl.asc
security.gentoo.org/glsa/201603-15
www.openssl.org/news/secadv/20160301.txt