What is CVE-2016-6890?

CVE-2016-6890 is a critical-severity vulnerability in Matrixssl, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-01-05.

How severe is CVE-2016-6890?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Matrixssl

CVE-2016-6890

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.

Vulnerability class: Buffer Overflow

EPSS: 0.064 (93.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Matrixssl
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Release Notes)
cve@mitre.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-6890?: CVE-2016-6890 is a critical-severity vulnerability in Matrixssl, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-01-05.
How severe is CVE-2016-6890?: Critical severity. CVSS v3 base score is 9.8 out of 10.