CVE-2016-6885: n/a vulnerability

Security readout for executives and security teams

CVE-2016-6885 is a crash bug in MatrixSSL before 3.8.4. A remote attacker could trigger an invalid free in big-number modular exponentiation, causing denial of service. The sources do not indicate data theft or code execution. Exposure is most likely where software, appliances, or embedded systems include MatrixSSL before 3.8.4 and process remote cryptographic inputs through the vulnerable code path. Treat as an availability risk. Prioritize remediation for exposed services or embedded devices where outages would affect customers, operations, or safety. There is no source-backed evidence of active exploitation in the provided bundle. Mitigation focus: Inventory products and codebases that embed MatrixSSL.; Upgrade MatrixSSL to 3.8.4 or later where applicable.; Check vendor advisories for products bundling MatrixSSL..

Prepared: Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 13, 2017, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.htmlCVE reference · x_refsource_MISC

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CVE-2016-6885: The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (i...