CVE-2021-32547: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-lts package apport hooks, it could expose private data to other local users.

Affected products

• Canonical Ubuntu Linux: version 18.04 only; version 20.04 only; version 20.10 only; version 21.04 only; version 21.10 only

Published 2021-06-12. Last modified 2026-06-17.