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Vulnerability record · CVE-2016-8610 · published 13 November 2017

CVE-2016-8610: Openssl uncontrolled resource consumption vulnerability

OOpenssl · Openssl

A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.

7.5 CVSS 3.1 High EPSS 40% · top 1.4% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score, v2 5.0
40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
45Affected product versions listed by NVD
56References
17 Jun 2026Last modified by NVD

Description

A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.

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

Affected products

45 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2017-0286.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0574.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1415.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1659.html Third Party Advisory
http://seclists.org/oss-sec/2016/q4/224 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/93841 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037084 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1413 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1414 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1658 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1801 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1802 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2493 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2494 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8610 Issue TrackingPatchThird Party Advisory
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=af58be768ebb690f78530f796e92b8ae5c9a4401 Broken Link
https://security.360.cn/cve/CVE-2016-8610/ Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:35.openssl.asc Third Party Advisory
https://security.netapp.com/advisory/ntap-20171130-0001/ Third Party Advisory
https://security.paloaltonetworks.com/CVE-2016-8610 Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03897en_us Third Party Advisory
https://www.debian.org/security/2017/dsa-3773 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html PatchThird Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html PatchThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0286.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0574.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1415.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1659.html Third Party Advisory
http://seclists.org/oss-sec/2016/q4/224 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/93841 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037084 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1413 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1414 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1658 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1801 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1802 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-8610), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.