What is CVE-2019-14431?

CVE-2019-14431 is a critical-severity vulnerability in Matrixssl, classified under Improper Handling of Exceptional Conditions. CVSS score: 9.8/10. Published 2019-07-29.

How severe is CVE-2019-14431?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2019-14431 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Matrixssl

CVE-2019-14431

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 proc…

EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Matrixssl
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2019-14431?: CVE-2019-14431 is a critical-severity vulnerability in Matrixssl, classified under Improper Handling of Exceptional Conditions. CVSS score: 9.8/10. Published 2019-07-29.
How severe is CVE-2019-14431?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-14431 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.