HIGH
FreeBSD 9.3 before p33, 10.1 before p26, and 10.2 before p9 allow remote attackers to cause a denial of service (kernel crash) via vectors related to creating a TCP connection with the TCP_MD5SIG and TCP_NOOPT socket options
Published Jan 29, 2016
7.5
HIGHCVSS 3.0
EPSS 1.95%
Description
FreeBSD 9.3 before p33, 10.1 before p26, and 10.2 before p9 allow remote attackers to cause a denial of service (kernel crash) via vectors related to creating a TCP connection with the TCP_MD5SIG and TCP_NOOPT socket options.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.95% 0.01948
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01948
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.95% (0.01948) | 79.48th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.95% (0.01948) | 77.51th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.74% (0.00736) | 71.12th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.35% (0.00352) | 72.73th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.35% (0.00352) | 71.09th | v3 (v2023.03.01) |
| Jan 24, 2024 | 0.35% (0.00352) | 69.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.25% (0.00249) | 60.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- http://www.securitytracker.com/id/1034677 vdb-entryx_refsource_SECTRACK
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:05.tcp.asc vendor-advisoryx_refsource_FREEBSDPatch
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1034677 | vdb-entryx_refsource_SECTRACK | |
| https://security.FreeBSD.org/advisories/FreeBSD-SA-16:05.tcp.asc | vendor-advisoryx_refsource_FREEBSDPatch |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 29, 2016
Updated Aug 5, 2024
Reserved Jan 13, 2016
Link CVE-2016-1882
CISA Vulnrichment
Updated n/a