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TI-2019-10761 Aliases CVE-2019-14431GHSA-8cvm-x5pf-w457

In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network…

Priority MEDIUM 48CWE-755Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · 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 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network messages leading to a heap-based buffer overflow of up to 256 bytes and possible Remote Code Execution in parseSSLHandshake in sslDecode.c. During processing of a crafted packet, the server mishandles the fragment length value provided in the DTLS message.

Why it matters now

EPSS 0.03632 89th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*3.8.2 – 4.2.1VulnerableMatrixssl
  • cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:* Versions 3.8.2 – 4.2.1 Vulnerable ·Matrixssl

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-14431
  2. 2026-10-03 Alias added: GHSA-8cvm-x5pf-w457

References

Exploit 1

  • 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-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
  • TI-2019-10113 MatrixSSL before 4.2.1 has an out-of-bounds read during ASN.1 handling. CVSS 3.0CRITICAL 9.8
See all 23 →

Sources

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