What is CVE-2015-1417?

CVE-2015-1417 is a high-severity vulnerability in FreeBSD, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-07-25.

How severe is CVE-2015-1417?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in FreeBSD

CVE-2015-1417

The inet module in FreeBSD 10.2x before 10.2-PRERELEASE, 10.2-BETA2-p2, 10.2-RC1-p1, 10.1x before 10.1-RELEASE-p16, 9.x before 9.3-STABLE, 9.3-RELEASE-p21, and 8.x before 8.4-STABLE, 8.4-RELEASE-p35 on systems with VNET enabled and at least 16 VNET instances allows remote attackers to cause a denial of service (mbuf consumption) via multiple concurrent TCP connections.

Vulnerability class: DoS (Denial of Service)

Published 2017-07-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.033 (88.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

FreeBSD — versions 8.4, 9.3, 10.1

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

www.securitytracker.com/id/1033111 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/76112 (VDB Entry, Third Party Advisory, vdb-entry)
www.freebsd.org/security/advisories/FreeBSD-SA-15:15.tcp.asc (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2015-1417?: CVE-2015-1417 is a high-severity vulnerability in FreeBSD, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-07-25.
How severe is CVE-2015-1417?: High severity. CVSS v3 base score is 7.5 out of 10.