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CVE-2016-8610

39
FAUCET Score

CVE-2016-8610 describes a Denial of Service (DoS) vulnerability in OpenSSL versions 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0, affecting various products including Debian, Fujitsu, NetApp, Oracle, Palo Alto Networks, and Red Hat. This flaw allows a remote attacker to exhaust a TLS/SSL server's CPU resources by sending specially crafted ALERT packets during a handshake, preventing legitimate client connections. Rated with a CVSS score of 7.5 (HIGH), it has a low attack complexity and requires no user interaction, leading to a high availability impact. Despite its high EPSS and FAUCET Risk Score, there is no evidence of active exploitation, no known exploit code in Metasploit, Nuclei, or ExploitDB, and only limited community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.2, <= 1.0.2hCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
0.9.8CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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
39.66%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.3966 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

No media coverage found for this CVE.

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 (39)

oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 6Fixed in: jbcs-httpd24-httpd-0:2.4.23-120.jbcs.el6
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 6Fixed in: jbcs-httpd24-mod_security-0:2.9.1-19.GA.jbcs.el6
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 6Fixed in: jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el6
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-httpd-0:2.4.23-120.jbcs.el7
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-mod_security-0:2.9.1-19.GA.jbcs.el7
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openssl-0:1.0.1e-48.el6_8.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: gnutls-0:2.12.23-21.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openssl-1:1.0.1e-60.el7_3.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 6.4Fixed in: openssl
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6Fixed in: jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7Fixed in: jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: tomcat6-0:6.0.41-17_patch_04.ep6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: tomcat7-0:7.0.54-25_patch_05.ep6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: tomcat6-0:6.0.41-17_patch_04.ep6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: tomcat7-0:7.0.54-25_patch_05.ep6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 2.1Fixed in: openssl
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: log4j-eap6-0:1.2.16-12.redhat_3.1.ep6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: tomcat7-0:7.0.70-22.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: tomcat8-0:8.0.36-24.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: tomcat-native-0:1.2.8-10.redhat_10.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: log4j-eap6-0:1.2.16-12.redhat_3.1.ep6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: tomcat7-0:7.0.70-22.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: tomcat8-0:8.0.36-24.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: tomcat-native-0:1.2.8-10.redhat_10.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Text-Only JBCS
View patch
redhatpatch availablevia nvd_reference
View patch
redhatvendor investigatingvia 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 6Fixed in: openssl098e
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: gnutls
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openssl098e
redhatend of lifevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 1Fixed in: openssl
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: gnutls

Vendor Advisories (1)

redhatCVE-2016-8610Moderate

SSL/TLS: Malformed plain-text ALERT packets could cause remote DoS

Oct 24, 2016

References

rhn.redhat.com / errata/RHSA-2017-0286.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-0574.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-1415.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-1659.html
Third Party Advisory
access.redhat.com / errata/RHSA-2017:1413
Third Party Advisory
access.redhat.com / errata/RHSA-2017:1414
Third Party Advisory
access.redhat.com / errata/RHSA-2017:1658
Third Party Advisory
access.redhat.com / errata/RHSA-2017:1801
Third Party Advisory
access.redhat.com / errata/RHSA-2017:1802
Third Party Advisory
access.redhat.com / errata/RHSA-2017:2493
Third Party Advisory
access.redhat.com / errata/RHSA-2017:2494
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
seclists.org / oss-sec/2016/q4/224
Mailing ListThird Party Advisory
git.openssl.org / gitweb
Broken Link
security.360.cn / cve/CVE-2016-8610
Third Party Advisory
security.freebsd.org / advisories/FreeBSD-SA-16:35.openssl.asc
Third Party Advisory
security.netapp.com / advisory/ntap-20171130-0001
Third Party Advisory
security.paloaltonetworks.com / CVE-2016-8610
Third Party Advisory
support.hpe.com / hpsc/doc/public/display
Third Party Advisory
debian.org / security/2017/dsa-3773
Third Party Advisory
oracle.com / security-alerts/cpuapr2020.html
PatchThird Party Advisory
oracle.com / security-alerts/cpujan2020.html
PatchThird Party Advisory
oracle.com / security-alerts/cpujul2020.html
PatchThird Party Advisory
oracle.com / security-alerts/cpuoct2020.html
PatchThird Party Advisory
oracle.com / technetwork/security-advisory/cpujul2019-5072835.html
PatchThird Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2019-5072832.html
PatchThird Party Advisory
securityfocus.com / bid/93841
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037084
Third Party AdvisoryVDB Entry