Read the docs
TI-2020-16692 Aliases CVE-2020-27534GHSA-6hwg-w5jg-9c6x

util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile…

Priority LOW 28CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.

Why it matters now

EPSS 0.01766 78th percentileScored 2026-11-07
Fix Fixed github.com/moby/moby (Go): 19.03.9github.com/docker/docker (Go): 19.03.9

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/moby/moby (Go)before 19.03.919.03.9Patch availableGHSA-6hwg-w5jg-9c6x
—github.com/docker/docker (Go)before 19.03.919.03.9Patch availableGHSA-6hwg-w5jg-9c6x
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/moby/moby (Go) Vendor— Affected before 19.03.9 Fixed in 19.03.9 Patch available GHSA-6hwg-w5jg-9c6x
  • github.com/docker/docker (Go) Vendor— Affected before 19.03.9 Fixed in 19.03.9 Patch available GHSA-6hwg-w5jg-9c6x

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:*before 19.03.9VulnerableDocker
  • cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:* Versions before 19.03.9 Vulnerable ·Docker

Remediation

  • Fix · GHSA-6hwg-w5jg-9c6x github.com/moby/moby (Go) Fixed in 19.03.9 Advisory →
  • Fix · GHSA-6hwg-w5jg-9c6x github.com/docker/docker (Go) Fixed in 19.03.9 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 2 products
  • Red Hat OpenShift Container Platform 4
  • Red Hat Quay 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27534
  2. 2026-10-03 Alias added: GHSA-6hwg-w5jg-9c6x

References

Advisory 6

Other 2

  • TI-2019-11833 Docker Desktop Community Edition before 2.1.0.1 allows local users to gain privileges by… KEVCVSS 3.1HIGH 7.8
  • TI-2019-04061 runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows… CVSS 3.1HIGH 8.6
  • TI-2019-10626 In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code… CVSS 3.1CRITICAL 9.8
  • TI-2014-07591 Docker 1.3.2 allows remote attackers to execute arbitrary code with root privileges via a… CVSS 2.0HIGH 10.0
  • TI-2014-00046 Improper input validation in docker.io CVSS 3.1CRITICAL 9.8
  • TI-2014-07590 Path traversal vulnerability in Docker before 1.3.3 allows remote attackers to write to… CVSS 3.1HIGH 8.6
See all 36 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences