7.8

CVE-2018-6923: freebsd Uncontrolled Resource Consumption

CVSS: 7.8v2.0HighModified
Published 04-09-2018Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2018-6923 is a high (CVSS 7.8) Uncontrolled Resource Consumption vulnerability in freebsd. EPSS estimates a 4.01% chance of exploitation in the next 30 days, higher than 90.4% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
4.01%
0%100%
Low · +0.36 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-09-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

4.01%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

+0.36 pp

From 3.64% on 21-09-2026

21-09-202621-10-2026
EPSS score
4.01%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Freebsd1 product
  • freebsdEOLAll supported versions of FreeBSD. | 2.2 | 3.0 | 4.3 | 4.4 | 4.5 | 4.6 | 4.7 | 4.8 | 4.9 | 4.10 | 4.1.1 | 5.0 | 5.1 | 5.2 | 5.3 | 5.4 | 5.5 | 6.0 | 6.1 | 6.2 | 6.3 | 6.4 | 7.0 | 7.1 | 7.2 | 7.3 | 7.4 | 8.0 | 8.1 | 8.2 | 8.3 | 8.4 | 9.0 | 9.1 | 9.2 | 9.3 | 10.0 | 11.0 | 11.1 | 11.2

1 vendor · 1 product

References

3 links