VULNERABILITY INTELLIGENCE
CVE-2018-6916
CVSS score9.8 CRITICAL
EPSS probability2.09%
CISA KEVNot currently listed
Published2018-03-09
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p7, 10.4-STABLE, 10.4-RELEASE-p7, and 10.3-RELEASE-p28, the kernel does not properly validate IPsec packets coming from a trusted host. Additionally, a use-after-free vulnerability exists in the IPsec AH handling code. This issue could cause a system crash or other unpredictable results.
Weakness classification
- CWE-416: Use After Free
Primary references
- secteam@freebsd.org — Third Party Advisory, VDB Entry
- secteam@freebsd.org — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory