CVE-2017-8806: PostgreSQL

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The Debian pg_ctlcluster, pg_createcluster, and pg_upgradecluster scripts, as distributed in the Debian postgresql-common package before 181+deb9u1 for PostgreSQL (and other packages related to Debian and Ubuntu), handled symbolic links insecurely, which could result in local denial of service by overwriting arbitrary files.

Affected products

• PostgreSQL PostgreSQL: affected versions not specified

Published 2017-11-13. Last modified 2026-06-17.