Use After Free in Matrixssl
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) via a crafted X.509 certificate.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md (Patch, Third Party Advisory, Release Notes)
- www.kb.cert.org/vuls/id/396440 (US Government Resource, Third Party Advisory, third-party-advisory)
- www.securityfocus.com/bid/93498 (VDB Entry, Third Party Advisory, vdb-entry)
- www.tripwire.com/state-of-security/security-data-protection/cyber-security/flaw… (Technical Description, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-6892?
- CVE-2016-6892 is a high-severity vulnerability in Matrixssl, classified under Use After Free. CVSS score: 7.5/10. Published 2017-01-05.
- How severe is CVE-2016-6892?
- High severity. CVSS v3 base score is 7.5 out of 10.