CVE-2016-6890

9.8 CRITICAL

Published: January 05, 2017 Modified: May 06, 2026

Description

Heap-based buffer overflow in MatrixSSL before 3.8.6 allows remote attackers to execute arbitrary code via a crafted Subject Alt Name in an X.509 certificate.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securityfocus.com/bid/93498

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/

Source: cve@mitre.org

Technical Description Third Party Advisory

https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md

Source: cve@mitre.org

Patch Release Notes Third Party Advisory

https://www.kb.cert.org/vuls/id/396440

Source: cve@mitre.org

Third Party Advisory US Government Resource

http://www.securityfocus.com/bid/93498

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/

Source: af854a3a-2127-422b-91ae-364da2661108

Technical Description Third Party Advisory

https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Release Notes Third Party Advisory

https://www.kb.cert.org/vuls/id/396440

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory US Government Resource

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

6.4%

93th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

matrixssl

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