CVE-2019-14431

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-755 CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Jul 29, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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