CVE-2016-2105

Name: CVE-2016-2105
Creator: NVD / NIST
Published: 2016-05-05T01:59:01.2+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 39.65%

Last modified Jun 17, 2026

CVE-2016-2105 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Integer overflow in the EVP_EncodeUpdate function in crypto/evp/encode.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (heap memory corruption) via a large amount of binary data.. EPSS estimates a 39.65% chance of exploitation in the next 30 days.

Description

Integer overflow in the EVP_EncodeUpdate function in crypto/evp/encode.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (heap memory corruption) via a large amount of binary data.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

39.65%

98.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Hpc Node	6
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Workstation	6.0
Opensuse	Leap	42.1
Opensuse	Opensuse	13.2
Oracle	Mysql	>= 5.6.0, <= 5.6.30
Oracle	Mysql	>= 5.7.0, <= 5.7.12
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Hpc Node	7.0
Redhat	Enterprise Linux Hpc Node Eus	7.2
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.2
Redhat	Enterprise Linux Server Eus	7.2
Redhat	Enterprise Linux Workstation	7.0
Apple	Mac Os X	10.11.5
Openssl	Openssl	1.0.1
Openssl	Openssl	1.0.1a
Openssl	Openssl	1.0.1b
Openssl	Openssl	1.0.1c
Openssl	Openssl	1.0.1d
Openssl	Openssl	1.0.1e
Openssl	Openssl	1.0.1f
Openssl	Openssl	1.0.1g
Openssl	Openssl	1.0.1h
Openssl	Openssl	1.0.1i
Openssl	Openssl	1.0.1j
Openssl	Openssl	1.0.1k
Openssl	Openssl	1.0.1l
Openssl	Openssl	1.0.1m
Openssl	Openssl	1.0.1n
Openssl	Openssl	1.0.1o
Openssl	Openssl	1.0.1p
Openssl	Openssl	1.0.1q
Openssl	Openssl	1.0.1r
Openssl	Openssl	1.0.1s
Openssl	Openssl	1.0.2
Openssl	Openssl	1.0.2a
Openssl	Openssl	1.0.2b
Openssl	Openssl	1.0.2c
Openssl	Openssl	1.0.2d
Openssl	Openssl	1.0.2e
Openssl	Openssl	1.0.2f
Openssl	Openssl	1.0.2g
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.10
Canonical	Ubuntu Linux	16.04
Nodejs	Node.Js	>= 0.10.0, < 0.10.45

Showing 50 of 55 affected configurations. See NVD for the full list.

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183457.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183607.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184605.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00001.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00008.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00011.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00013.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00014.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00016.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00018.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00019.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00029.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00030.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00036.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00055.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00019.htmlThird Party Advisory
http://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.htmlThird Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-0722.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0996.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1648.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1649.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1650.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2056.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2073.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-opensslThird Party Advisory
http://www.debian.org/security/2016/dsa-3566Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlPatch, Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.htmlPatch, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlPatch, Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlPatch, Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory
http://www.securityfocus.com/bid/89757Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/91787Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1035721Third Party Advisory, VDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.542103Third Party Advisory
http://www.ubuntu.com/usn/USN-2959-1Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa123Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=5b814481f3573fa9677f3a31ee51322e2a22ee6a
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03756en_usThird Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03765en_usThird Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149Vendor Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10160Third Party Advisory
https://security.gentoo.org/glsa/201612-16Third Party Advisory
https://security.netapp.com/advisory/ntap-20160504-0001/Third Party Advisory
https://source.android.com/security/bulletin/pixel/2017-11-01Third Party Advisory
https://support.apple.com/HT206903Third Party Advisory
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:17.openssl.ascThird Party Advisory
https://www.openssl.org/news/secadv/20160503.txtVendor Advisory
https://www.tenable.com/security/tns-2016-18Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183457.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183607.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184605.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00001.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00008.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00011.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00013.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00014.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00016.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00018.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00019.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00029.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00030.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00036.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00055.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00019.htmlThird Party Advisory
http://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.htmlThird Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-0722.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0996.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1648.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1649.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1650.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2056.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2073.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-opensslThird Party Advisory
http://www.debian.org/security/2016/dsa-3566Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlPatch, Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.htmlPatch, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlPatch, Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlPatch, Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory
http://www.securityfocus.com/bid/89757Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/91787Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1035721Third Party Advisory, VDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.542103Third Party Advisory
http://www.ubuntu.com/usn/USN-2959-1Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa123Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=5b814481f3573fa9677f3a31ee51322e2a22ee6a
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03756en_usThird Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03765en_usThird Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149Vendor Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10160Third Party Advisory
https://security.gentoo.org/glsa/201612-16Third Party Advisory
https://security.netapp.com/advisory/ntap-20160504-0001/Third Party Advisory
https://source.android.com/security/bulletin/pixel/2017-11-01Third Party Advisory
https://support.apple.com/HT206903Third Party Advisory
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:17.openssl.ascThird Party Advisory
https://www.openssl.org/news/secadv/20160503.txtVendor Advisory
https://www.tenable.com/security/tns-2016-18Third Party Advisory

Timeline

Published: May 5, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-2105?

How severe is CVE-2016-2105?

CVE-2016-2105 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 39.65% probability of exploitation in the next 30 days.

How do I fix CVE-2016-2105?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2105?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST