Medium severity5.9NVD Advisory· Published Jan 13, 2017· Updated Jun 17, 2026

CVE-2016-6887

Description

The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via a CRT attack.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Matrixssl/Matrixssl2 versions
cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*range: <=3.8.6
- (no CPE)range: <=3.8.6

Patches

Vulnerability mechanics

References

www.matrixssl.org/blog/releases/matrixssl_3_8_4nvdPatchVendor Advisory
blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.htmlnvdThird Party Advisory

News mentions

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cvss	0.384
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000