CVE-2016-6890 is a critical heap-based buffer overflow vulnerability in MatrixSSL versions prior to 3.8.6, affecting products utilizing this SSL library. With a CVSS score of 9.8, it allows remote, unauthenticated attackers to execute arbitrary code by sending a specially crafted X.509 certificate with a malicious Subject Alt Name. While no public exploit code (Metasploit, Nuclei, ExploitDB) is readily available, the vulnerability has garnered some community discussion and media coverage, indicating awareness. There is no evidence of active exploitation in the wild, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.8.5CPE matchmatch criteria | cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.