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Fencer Intel
medium 4.9

CVE-2018-20699 json

Docker Engine before 18.09 allows attackers to cause a denial of service (dockerd memory consumption) via a large integer in a --cpuset-mem…

published 7y ago modified 4mo ago also EUVD-2018-13246

cvss
4.9
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

Docker Engine before 18.09 allows attackers to cause a denial of service (dockerd memory consumption) via a large integer in a --cpuset-mems or --cpuset-cpus value, related to daemon/daemon_unix.go, pkg/parsers/parsers.go, and pkg/sysinfo/sysinfo.go.

Patch / fix

  • docker engine 18.09
  • docker.io Debian 14, Debian 13, Debian 12 18.09.1+dfsg1-2

debian advisories DEBIAN-CVE-2018-20699

  • docker.io Ubuntu 16.04 LTS 18.09.2-0ubuntu1~16.04.1
  • docker.io Ubuntu 18.04 LTS 18.09.2-0ubuntu1~18.04.1

ubuntu advisories UBUNTU-CVE-2018-20699

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • docker RHEL 7 EXTRAS_OTHER 2:1.13.1-94.gitb2f74b2.el7
  • docker-client RHEL 7 EXTRAS_OTHER 2:1.13.1-94.gitb2f74b2.el7
  • docker-common RHEL 7 EXTRAS_OTHER 2:1.13.1-94.gitb2f74b2.el7
  • docker-logrotate RHEL 7 EXTRAS_OTHER 2:1.13.1-94.gitb2f74b2.el7
  • docker-lvm-plugin RHEL 7 EXTRAS_OTHER 2:1.13.1-94.gitb2f74b2.el7
  • docker-v1.10-migrator RHEL 7 EXTRAS_OTHER 2:1.13.1-94.gitb2f74b2.el7
  • docker-novolume-plugin RHEL 7 EXTRAS_OTHER 2:1.13.1-94.gitb2f74b2.el7
  • docker-rhel-push-plugin RHEL 7 EXTRAS_OTHER 2:1.13.1-94.gitb2f74b2.el7

red hat advisories RHSA-2019:0487

  • docker-stable SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES for SAP 15 SP3 +12 more 24.0.9_ce-150000.1.25.1
  • docker-stable SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 24.0.9_ce-1.20.1

suse advisories SUSE-SU-2025:03545-1SUSE-SU-2025:03540-1

  • docker-stable openSUSE Tumbleweed 24.0.9_ce-15.1
  • docker openSUSE Tumbleweed 20.10.6_ce-2.1

opensuse advisories openSUSE-SU-2025:15589-1openSUSE-SU-2024:10722-1

  • podman Azure Linux 3.0 5.6.1-2
  • buildah Azure Linux 3.0 1.41.4-2

azure linux advisories AZL-44109AZL-45387

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Is CVE-2018-20699 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-20699 updated cvss 4.5

docker: Memory exhaustion via large integer used with --cpuset-mems or --cpuset-cpus

  • Red Hat Enterprise Linux 7 Extras docker 1.13.1-94.gitb2f74b2.el7, docker-client 1.13.1-94.gitb2f74b2.el7, docker-common 1.13.1-94.gitb2f74b2.el7, docker-logrotate 1.13.1-94.gitb2f74b2.el7, docker-lvm-plugin 1.13.1-94.gitb2f74b2.el7, docker-v1.10-migrator 1.13.1-94.gitb2f74b2.el7, +2 more
    fixed: vendor fix RHSA-2019:0487

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.23% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 4.9 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
Technology feeds

References

Sources

Fencer Intel 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.