7.5high
CVE-2016-6892
The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (free of unallocated memory)…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.9%
percentile 79%
Public exploits
0
none known
Summary
The x509FreeExtensions function in MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (free of unallocated memory) via a crafted X.509 certificate.
Exploit prediction (EPSS)
1.86% probability of exploitation in the next 30 days, higher than 79% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-416 Use After Free
References
- github.com /matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md · x_refsource_CONFIRM, x_transferred
- kb.cert.org /vuls/id/396440 · third-party-advisory, x_refsource_CERT-VN, x_transferred
- securityfocus.com /bid/93498 · vdb-entry, x_refsource_BID, x_transferred
- tripwire.com /state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlight · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2016-6892
- NVD: CVE-2016-6892
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.