TI-2019-12532 Aliases CVE-2019-16747 GHSA-g7fc-v5jh-qw54

In MatrixSSL before 4.2.2 Open, the DTLS server can encounter an invalid pointer free…

LOW 36CWE-787Published 2020-12-30 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01795 78th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:matrixssl:matrixssl::::::::	before 4.2.2	Vulnerable	Matrixssl

cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:* Versions before 4.2.2 Vulnerable ·Matrixssl

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-16747
2026-10-03 Alias added: GHSA-g7fc-v5jh-qw54

References

Exploit 1

https://github.com/matrixssl/matrixssl/issues/33

Advisory 2

TI-2022-22985 An issue in MatrixSSL 4.5.1-open and earlier leads to failure to securely check the… CVSS 3.1HIGH 7.5
TI-2016-05915 Heap-based buffer overflow in MatrixSSL before 3.8.6 allows remote attackers to execute… CVSS 3.0CRITICAL 9.8
TI-2019-10761 In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network… CVSS 3.1CRITICAL 9.8
TI-2017-02003 Out-of-bounds write in Inside Secure MatrixSSL CVSS 3.1CRITICAL 9.8
TI-2017-02002 Out-of-bounds write in Inside Secure MatrixSSL CVSS 3.1CRITICAL 9.8
TI-2022-21609 MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13. CVSS 3.1CRITICAL 9.8

See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences