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.
References (1)
Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/matrixssl/matrixssl/issues/30
Scores
CVSS v3
9.8
EPSS
0.0363
EPSS Percentile
88.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-755
CWE-787
Status
published
Products (1)
matrixssl/matrixssl
3.8.2 - 4.2.1
Published
Jul 29, 2019
Tracked Since
Feb 18, 2026