CVE-2016-6891: matrixssl Out-of-bounds Read
Modified
Published 05-01-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-6891 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in matrixssl. EPSS estimates a 1.86% chance of exploitation in the next 30 days, higher than 79.1% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
1.86%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 05-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted ASN.1 Bit Field primitive in an X.509 certificate.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.86%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
Decrease -0.02 pp
From 1.88% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Matrixssl1 product
- matrixssl≤ 3.8.5
1 vendor · 1 product
References
4 links- github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.mdX Refsource CONFIRMPatchRelease NotesThird Party Advisory