No exploitation reported

CVE-2016-2106

No exploitation reported by the sources we read.

Published2016-05-05
WeaknessCWE-189

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

Integer overflow in the EVP_EncryptUpdate function in crypto/evp/evp_enc.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 data.

Timeline

dates in UTC

2016-05-0501:59CVE publishedNVD
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-2016-2106?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-2106?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

OpenSSL

Branch	Affected	Fixed in	Source
1.0	≤ 1.0.1s	no fix published	NVD
1.0	= 1.0.2	no fix published	NVD
1.0	= 1.0.2a	no fix published	NVD
1.0	= 1.0.2b	no fix published	NVD
1.0	= 1.0.2c	no fix published	NVD
1.0	= 1.0.2d	no fix published	NVD
1.0	= 1.0.2e	no fix published	NVD
1.0	= 1.0.2f	no fix published	NVD
1.0	= 1.0.2g	no fix published	NVD

Redhat enterprise linux desktop

Branch	Affected	Fixed in	Source
7.0	= 7.0	no fix published	NVD
6.0	= 6.0	no fix published	NVD

Redhat enterprise linux hpc node

Branch	Affected	Fixed in	Source
7.0	= 7.0	no fix published	NVD
6.0	= 6.0	no fix published	NVD

5 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

www.openssl.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-189read 2026-10-23
FIRST EPSSEPSS score27.3 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2016-05-05
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-2106?

Is CVE-2016-2106 actively exploited?

Active exploitation of CVE-2016-2106 has not been confirmed. Its EPSS score was 27.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-2106?

CVE-2016-2106 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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