CVE-2018-20699: Docker Engine

Medium severity, CVSS 4.9. EPSS: 2.2% chance of exploitation in the next 30 days.

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.

Affected products

• Docker Engine: before 18.09 (fixed in 18.09)
• Red Hat Enterprise Linux Server: version 7.0 only

Published 2019-01-12. Last modified 2026-06-17.