CVE-2016-6885
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of...
CVE-2016-6885 is a high vulnerability (CVSS 7.5) in Matrixssl, published January 13, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.33%, the 71st percentile. No source names a fixed version.
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.
- Record
CVE-2016-6885- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.
- Record
CVE-2016-6885- Updated
- 2026-11-02
EUVDEUVD-2016-7770 No score
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.
- Record
EUVD-2016-7770- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vxfx-q6cx-2vqm
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of...
The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.
- Record
GHSA-vxfx-q6cx-2vqm- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |