CVE-2026-16238 Affecting postgresql18 package, versions <18.5-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE323-POSTGRESQL18-18833548
- published15 Aug 2026
- disclosed13 Aug 2026
Introduced: 13 Aug 2026
NewCVE-2026-16238 (opens in a new tab)How to fix?
Upgrade Alpine:3.23 postgresql18 to version 18.5-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream postgresql18 package and not the postgresql18 package as distributed by Alpine.
See How to fix? for Alpine:3.23 relevant fixed versions and status.
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 18.5 are affected. Versions before PostgreSQL 18 are unaffected.