CVE-2016-6892

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.securityfocus.com/bid/93498Third Party Advisory, VDB Entry
http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/Technical Description, Third Party Advisory
https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.mdPatch, Release Notes, Third Party Advisory
https://www.kb.cert.org/vuls/id/396440Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/93498Third Party Advisory, VDB Entry
http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/Technical Description, Third Party Advisory
https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.mdPatch, Release Notes, Third Party Advisory
https://www.kb.cert.org/vuls/id/396440Third Party Advisory, US Government Resource

Timeline

Published: Jan 5, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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