CVE-2016-6561
illumos smbsrv NULL pointer dereference allows system crash.
illumos smbsrv NULL pointer dereference allows system crash.
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
illumos smbsrv NULL pointer dereference allows system crash.
- Record
CVE-2016-6561- 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
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
illumos smbsrv NULL pointer dereference allows system crash.
- Record
CVE-2016-6561- Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2016-7482 No score
illumos smbsrv NULL pointer dereference allows system crash.
- Record
EUVD-2016-7482- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fj5w-h5xf-6hch
illumos smbsrv NULL pointer dereference allows system crash.
illumos smbsrv NULL pointer dereference allows system crash.
- Record
GHSA-fj5w-h5xf-6hch- 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-476
- Updated
- 2026-11-02
OSV
illumos smbsrv NULL pointer dereference allows system crash.
- Record
CVE-2016-6561- 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 - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-6561 is a high vulnerability (CVSS 7.5) in Illumos, published March 31, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.53%, the 84th percentile. No source names a fixed version.