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Vulnerability record · CVE-2016-6890 · published 5 January 2017

CVE-2016-6890: Matrixssl memory buffer overflow vulnerability

MMatrixssl · Matrixssl

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.

9.8 CVSS 3.0 Critical EPSS 6.4% · top 6.5% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 10.0
6.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/93498 Third Party AdvisoryVDB Entry
http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need- Technical DescriptionThird Party Advisory
https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md PatchRelease NotesThird Party Advisory
https://www.kb.cert.org/vuls/id/396440 Third Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/93498 Third Party AdvisoryVDB Entry
http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need- Technical DescriptionThird Party Advisory
https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md PatchRelease NotesThird Party Advisory
https://www.kb.cert.org/vuls/id/396440 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-6890), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.