CVE-2015-3627: Docker

High severity, CVSS 7.2. EPSS: 0.6% chance of exploitation in the next 30 days.

Libcontainer and Docker Engine before 1.6.1 opens the file-descriptor passed to the pid-1 process before performing the chroot, which allows local users to gain privileges via a symlink attack in an image.

Affected products

• Docker Docker: up to and including 1.6
• Docker Libcontainer: up to and including 1.6.0

Published 2015-05-18. Last modified 2026-06-17.