Buffer overflow in Matrixssl
CVE-2019-16747
In MatrixSSL before 4.2.2 Open, the DTLS server can encounter an invalid pointer free (leading to memory corruption and a daemon crash) via a crafted incoming network message, a different vulnerability than CVE-2019-14431.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/matrixssl/matrixssl/issues/33 (Exploit, Third Party Advisory)
- github.com/matrixssl/matrixssl/releases/tag/4-2-2-open (Third Party Advisory)
- github.com/matrixssl/matrixssl/blob/4-2-2-open/doc/CHANGES_v4.x.md (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2019-16747?
- CVE-2019-16747 is a high-severity vulnerability in Matrixssl, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-12-30.
- How severe is CVE-2019-16747?
- High severity. CVSS v3 base score is 7.5 out of 10.