CVE-2016-6882 json
MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key in…
published 2017-03-03 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7767
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.
Patch / fix
Exploit prediction
1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
References
-
openwall.com
/lists/oss-security/2016/08/19/7
mailing-list, patch
-
github.com
/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creation
patch, release-notes
-
people.redhat.com
/~fweimer/rsa-crt-leaks.pdf
technical-description
-
access.redhat.com
/blogs/766093/posts/1976703
third-party-advisory
-
securityfocus.com
/bid/91488
vdb-entry
Sources
- CVE List CVE-2016-6882
- NVD CVE-2016-6882
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.