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HIGH

CVE-2019-16747

CVSS v3

7.5

HIGH

EPSS Score

1.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

In MatrixSSL before 4.2.2 Open, the DTLS server can encounter an invalid pointer free (leading to memory corruption and a daemon crash) via a crafted incoming network message, a different vulnerability than CVE-2019-14431.

Technical details

Published
2020-12-30

Frequently asked questions

What is CVE-2019-16747?

In MatrixSSL before 4.2.2 Open, the DTLS server can encounter an invalid pointer free (leading to memory corruption and a daemon crash) via a crafted incoming network message, a different vulnerability than CVE-2019-14431.

Is CVE-2019-16747 actively exploited?

Active exploitation of CVE-2019-16747 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-16747?

CVE-2019-16747 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2019-16747 affecting your environment?

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