OpenSSL is vulnerable to Denial Of Service (DoS) attacks. A malicious user can cause an integer overflow via the MDC2_Update function which can lead to an integer overflow. A malicious user can make use of this to cause a heap corruption or a denial of service.
kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
www-01.ibm.com/support/docview.wss?uid=swg21995039
www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
www.securityfocus.com/bid/92984
www.securitytracker.com/id/1036885
bto.bluecoat.com/security-advisory/sa132
bugzilla.redhat.com/show_bug.cgi?id=1370146
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=55d83bf7c10c7b205fffa23fa7c3977491e56c07
git.openssl.org/?p=openssl.git;a=commit;h=55d83bf7c10c7b205fffa23fa7c3977491e56c07
github.com/FredericJacobs/OpenSSL-Pod/blob/master/1.0.210/OpenSSL.podspec#L14
kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
nodejs.org/en/blog/vulnerability/september-2016-security-releases/
security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
www.openssl.org/news/secadv/20160922.txt
www.tenable.com/security/tns-2016-16
www.tenable.com/security/tns-2016-20
www.tenable.com/security/tns-2016-21