CVE-2011-4028: X.org X Server

Low severity, CVSS 1.2. EPSS: 0.4% chance of exploitation in the next 30 days.

The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.

Affected products

• X.org X Server: up to and including 1.11.1; version 1.11.0 only

Published 2012-07-03. Last modified 2026-06-16.