CVE-2016-6890: Matrixssl

Critical severity, CVSS 9.8. EPSS: 6.4% chance of exploitation in the next 30 days.

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.

Affected products

• Matrixssl Matrixssl: up to and including 3.8.5

Published 2017-01-05. Last modified 2026-06-17.