CVE-2018-6923

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-09-04 · updated 2026-06-17
Weakness: CWE-400

Description

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.

Affected products

FreeBSD: 2.2, 3.0, 4.3, 4.4, 4.5, 4.6 (+34)

References

http://www.securityfocus.com/bid/105336
http://www.securitytracker.com/id/1041505
https://www.freebsd.org/security/advisories/FreeBSD-SA-18:10.ip.asc
http://www.securityfocus.com/bid/105336
http://www.securitytracker.com/id/1041505
https://www.freebsd.org/security/advisories/FreeBSD-SA-18:10.ip.asc

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