CVE-2019-14431: matrixssl
Vulnerability summary
CVE-2019-14431 is a critical (CVSS 9.8) vulnerability in matrixssl. EPSS estimates a 3.63% chance of exploitation in the next 30 days, higher than 89.4% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 29-07-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.63%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.63% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundMatrixssl
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Matrixssl1 product
- matrixssl≥ 3.8.2, ≤ 4.2.1
1 vendor · 1 product