CVE-2016-2105

46

FAUCET Score

CVE-2016-2105 is an integer overflow vulnerability in the EVP_EncodeUpdate function of OpenSSL versions prior to 1.0.1t and 1.0.2h, affecting numerous products including Apple, Canonical, and Red Hat. This flaw allows remote attackers to trigger a denial of service through heap memory corruption by sending a large amount of binary data. With a CVSS score of 7.5 (High) and a FAUCET Risk Score of 97/100, it presents a significant risk due to its network-based attack vector and low attack complexity. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered considerable community discussion and media coverage, indicating its perceived importance.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		6.0CPE matchmatch criteria	cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*
		6CPE matchmatch criteria	cpe:2.3:o:redhat:enterprise_linux_hpc_node:6:::::::*
		6.0CPE matchmatch criteria	cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*
		6.0CPE matchmatch criteria	cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*
		42.1CPE matchmatch criteria	cpe:2.3:o:opensuse:leap:42.1:::::::*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

39.65%

Probability of exploitation in next 30 days

EPSS Percentile

98.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.3965 is in the 97th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (29)

oraclepatch availablevia nvd_reference

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6Fixed in: openssl-0:1.0.1e-48.el6_8.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 6.7 Extended Update SupportFixed in: openssl-0:1.0.1e-42.el6_7.5

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: openssl-1:1.0.1e-51.el7_2.5

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 6.4Fixed in: openssl

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: httpd-0:2.2.26-54.ep6.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: jbcs-httpd24-0:1-3.jbcs.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: jbcs-httpd24-openssl-1:1.0.2h-4.jbcs.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: mod_cluster-0:1.2.13-1.Final_redhat_1.1.ep6.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: mod_cluster-native-0:1.2.13-3.Final_redhat_2.ep6.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: mod_jk-0:1.2.41-2.redhat_3.ep6.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: tomcat-native-0:1.1.34-5.redhat_1.ep6.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: httpd22-0:2.2.26-56.ep6.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: jbcs-httpd24-0:1-3.jbcs.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: mod_cluster-0:1.2.13-1.Final_redhat_1.1.ep6.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: mod_cluster-native-0:1.2.13-3.Final_redhat_2.ep6.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: mod_jk-0:1.2.41-2.redhat_3.ep6.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: tomcat-native-0:1.1.34-5.redhat_1.ep6.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Web Server 2.1Fixed in: openssl

redhatpatch availablevia redhat_api

Product: Text-Only JBCS

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: jbcs-httpd24-openssl-1:1.0.2h-4.jbcs.el7

redhatno patchvia redhat_api

Product: Red Hat JBoss Core ServicesFixed in: openssl

redhatno patchvia redhat_api

Product: Red Hat JBoss Enterprise Web Server 3Fixed in: openssl

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 5Fixed in: openssl

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 5Fixed in: openssl097a

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 4Fixed in: openssl

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: openssl098e

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 6Fixed in: openssl098e

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 4Fixed in: openssl096b

Vendor Advisories (1)

redhatCVE-2016-2105Moderate

openssl: EVP_EncodeUpdate overflow

References

kb.juniper.net / InfoCenter/index

Third Party Advisory

lists.apple.com / archives/security-announce/2016/Jul/msg00000.html

Mailing ListThird Party Advisory

lists.fedoraproject.org / pipermail/package-announce/2016-May/183457.html

Mailing ListThird Party Advisory

lists.fedoraproject.org / pipermail/package-announce/2016-May/183607.html

Mailing ListThird Party Advisory

lists.fedoraproject.org / pipermail/package-announce/2016-May/184605.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00001.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00008.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00010.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00011.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00013.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00014.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00015.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00016.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00017.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00018.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00019.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00029.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00030.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00036.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-05/msg00055.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2016-06/msg00019.html

Third Party Advisory

packetstormsecurity.com / files/136912/Slackware-Security-Advisory-openssl-Updates.html

Third Party AdvisoryVDB Entry

rhn.redhat.com / errata/RHSA-2016-0722.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-0996.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-1648.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-1649.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-1650.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-2056.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-2073.html

Third Party Advisory

rhn.redhat.com / errata/RHSA-2016-2957.html

Third Party Advisory

bto.bluecoat.com / security-advisory/sa123

Third Party Advisory

cert-portal.siemens.com / productcert/pdf/ssa-412672.pdf

git.openssl.org

h20566.www2.hpe.com / hpsc/doc/public/display

Third Party Advisory

h20566.www2.hpe.com / hpsc/doc/public/display

Third Party Advisory

h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay

Vendor Advisory

h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay

Third Party Advisory

kc.mcafee.com / corporate/index

Third Party Advisory

security.gentoo.org / glsa/201612-16

Third Party Advisory

security.netapp.com / advisory/ntap-20160504-0001

Third Party Advisory

source.android.com / security/bulletin/pixel/2017-11-01

Third Party Advisory

support.apple.com / HT206903

Third Party Advisory

freebsd.org / security/advisories/FreeBSD-SA-16:17.openssl.asc

Third Party Advisory

openssl.org / news/secadv/20160503.txt

Vendor Advisory

tenable.com / security/tns-2016-18

Third Party Advisory

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-openssl

Third Party Advisory

debian.org / security/2016/dsa-3566

Third Party Advisory

oracle.com / technetwork/security-advisory/cpujan2018-3236628.html

PatchVendor Advisory

oracle.com / technetwork/security-advisory/cpujul2016-2881720.html

PatchThird Party Advisory

oracle.com / technetwork/security-advisory/cpujul2017-3236622.html

PatchVendor Advisory

oracle.com / technetwork/security-advisory/cpujul2018-4258247.html

PatchVendor Advisory

oracle.com / technetwork/security-advisory/cpuoct2016-2881722.html

PatchVendor Advisory

oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html

Vendor Advisory

oracle.com / technetwork/topics/security/linuxbulletinapr2016-2952096.html

Vendor Advisory

oracle.com / technetwork/topics/security/linuxbulletinjul2016-3090544.html

Vendor Advisory

oracle.com / technetwork/topics/security/ovmbulletinjul2016-3090546.html

Vendor Advisory

securityfocus.com / bid/89757

Third Party AdvisoryVDB Entry

securityfocus.com / bid/91787

Third Party AdvisoryVDB Entry

securitytracker.com / id/1035721

Third Party AdvisoryVDB Entry

slackware.com / security/viewer.php

Third Party Advisory

ubuntu.com / usn/USN-2959-1

Third Party Advisory