CVE-2016-1879
CVE-2016-1879 is a high-severity vulnerability in Freebsd with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.8
- EPSS exploit prediction: 14% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Freebsd
- Published:
- Last modified:
Description
The Stream Control Transmission Protocol (SCTP) module in FreeBSD 9.3 before p33, 10.1 before p26, and 10.2 before p9, when the kernel is configured for IPv6, allows remote attackers to cause a denial of service (assertion failure or NULL pointer dereference and kernel panic) via a crafted ICMPv6 packet.
Frequently asked questions
- What is CVE-2016-1879?
- The Stream Control Transmission Protocol (SCTP) module in FreeBSD 9.3 before p33, 10.1 before p26, and 10.2 before p9, when the kernel is configured for IPv6, allows remote attackers to cause a denial of service (assertion failure or NULL pointer dereference and kernel panic) via a crafted ICMPv6 packet.
- How severe is CVE-2016-1879?
- CVE-2016-1879 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-1879 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-1879?
- CVE-2016-1879 primarily affects Freebsd. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-1879?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-1879 published?
- CVE-2016-1879 was published on 2016-01-29 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/135369/FreeBSD-SCTP-ICMPv6-Denial-Of-Service.html
- http://www.securitytracker.com/id/1034673
- https://www.exploit-db.com/exploits/39305/
- https://www.freebsd.org/security/advisories/FreeBSD-SA-16:01.sctp.asc
Affected products (3)
- cpe:2.3:o:freebsd:freebsd:9.3:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:*
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