CVE-2016-6890

critical

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.

References

Advisories

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

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

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

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

Details

Source: Mitre, NVD

Published: 2017-01-05

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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