In FreeBSD before 11.0-STABLE, 11.0-RELEASE-p10, 10.3-STABLE, and 10.3-RELEASE-p19, ipfilter using "keep state" or "keep frags" options can…

Published 8 y ago 2018-04-10 · modified 4 mo ago 2026-06-17 · JSON

CVSS

7.5

v3.0 · NVD

CISA KEV

not known exploited

EPSS

2.7%

percentile 86%

Public exploits

none known

In FreeBSD before 11.0-STABLE, 11.0-RELEASE-p10, 10.3-STABLE, and 10.3-RELEASE-p19, ipfilter using "keep state" or "keep frags" options can cause a kernel panic when fed specially crafted packet fragments due to incorrect memory handling.

Exploit prediction (EPSS)

2.71% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	7.5	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
NVD	2.0	7.8	`AV:N/AC:L/Au:N/C:N/I:N/A:C`

Affected products

FreeBSD FreeBSD

Classification

Weakness

CWE-416 Use After Free
CWE-20 Improper Input Validation

References

securitytracker.com /id/1038369 · vdb-entry, x_refsource_SECTRACK, x_transferred
freebsd.org /security/advisories/FreeBSD-SA-17:04.ipfilter.asc · vendor-advisory, x_refsource_FREEBSD, x_transferred
securityfocus.com /bid/98089 · vdb-entry, x_refsource_BID, x_transferred

Sources

CVE List: CVE-2017-1081
NVD: CVE-2017-1081

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.