This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-16238 →

UBUNTU-CVE-2026-16238

Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the...

Original description

The description as published by the source.

Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirange values. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before PostgreSQL 18 are unaffected.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Ubuntu:Pro:14.04:LTS postgresql-9.3

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:26.04:LTS postgresql-18

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.6-0ubuntu0.26.04.1"}]}]

References

advisory ubuntu.com
report ubuntu.com
report cve.org
report postgresql.org
report postgresql.org