Public proof of conceptFix available

CVE-2016-8610

A public proof of concept exists; no exploitation attested.

Published2017-11-13
WeaknessCWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2017-11-1322:29CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-8610?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-8610?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Oracle core rdbms

Branch	Affected	Fixed in	Source
11.2	= 11.2.0.4	no fix published	NVD
12.1	= 12.1.0.2	no fix published	NVD
12.2	= 12.2.0.1	no fix published	NVD
18.x	= 18c	no fix published	NVD
19.x	= 19c	no fix published	NVD

OpenSSL

Branch	Affected	Fixed in	Source
1.0	≥ 1.0.2, ≤ 1.0.2h	no fix published	NVD
0.9	= 0.9.8	no fix published	NVD
1.0	= 1.0.1	no fix published	NVD
1.1	= 1.1.0	no fix published	NVD

Oracle weblogic server

Branch	Affected	Fixed in	Source
10.3	= 10.3.6.0.0	no fix published	NVD
12.1	= 12.1.3.0.0	no fix published	NVD
12.2	= 12.2.1.3.0	no fix published	NVD
12.2	= 12.2.1.4.0	no fix published	NVD

42 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedcujanovic/CVE-2016-8610-PoC

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
CNAweakness (CWE)CWE-400read 2026-10-23
NVDweakness (CWE)CWE-400read 2026-10-23
FIRST EPSSEPSS score39.7 %read 2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2017-11-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-8610?

Is CVE-2016-8610 actively exploited?

Active exploitation of CVE-2016-8610 has not been confirmed. Its EPSS score was 39.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-8610?

CVE-2016-8610 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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