OpenSSL is vulnerable to denial of service (DoS) attacks. A malicious user can pass malformed PKCS#7 or CMS data to the server that can cause a memory leak that can lead to the system crashing.
fortiguard.com/advisory/openssl-advisory-december-2015
kb.juniper.net/InfoCenter/index?page=content&id=JSA10733
kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
lists.fedoraproject.org/pipermail/package-announce/2015-December/173801.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.html
lists.opensuse.org/opensuse-updates/2015-12/msg00070.html
lists.opensuse.org/opensuse-updates/2015-12/msg00071.html
lists.opensuse.org/opensuse-updates/2015-12/msg00087.html
lists.opensuse.org/opensuse-updates/2015-12/msg00103.html
marc.info/?l=bugtraq&m=145382583417444&w=2
openssl.org/news/secadv/20151203.txt
rhn.redhat.com/errata/RHSA-2015-2616.html
rhn.redhat.com/errata/RHSA-2015-2617.html
rhn.redhat.com/errata/RHSA-2016-2056.html
rhn.redhat.com/errata/RHSA-2016-2957.html
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
www.debian.org/security/2015/dsa-3413
www.fortiguard.com/advisory/openssl-advisory-december-2015
www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.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.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
www.securityfocus.com/bid/78626
www.securityfocus.com/bid/91787
www.securitytracker.com/id/1034294
www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583
www.ubuntu.com/usn/USN-2830-1
access.redhat.com/security/updates/classification/#moderate
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
git.openssl.org/?p=openssl.git;a=commit;h=cc598f321fbac9c04da5766243ed55d55948637d
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944173
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05111017
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322
kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40100
openssl.org/news/secadv/20151203.txt
rhn.redhat.com/errata/RHSA-2015-2616.html
support.apple.com/HT206167