CVE-2018-6923 json
In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p2, 11.1-RELEASE-p13, ip fragment reassembly code is vulnerable to a denial of service due to e…
published 2018-09-04 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18667
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.0%
- EPSS 4.0% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p2, 11.1-RELEASE-p13, ip fragment reassembly code is vulnerable to a denial of service due to excessive system resource consumption. This issue can allow a remote attacker who is able to send an arbitrary ip fragments to cause the machine to consume excessive resources.
Exploit prediction
4.01% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
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-400 Uncontrolled Resource Consumption
References
-
freebsd.org
/security/advisories/FreeBSD-SA-18:10.ip.asc
vendor-advisory, mitigation
-
securityfocus.com
/bid/105336
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041505
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-6923
- NVD CVE-2018-6923
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.