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CVE-2026-16238 Details
Description
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 13, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.postgresql.org/support/security/CVE-2026-16238/ | PostgreSQL | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-843 | Access of Resource Using Incompatible Type ('Type Confusion') | PostgreSQL |
Affected Products
| Product | Versions |
|---|---|
| postgresql postgresql | >= 14.0, < 14.24 >= 15.0, < 15.19 >= 16.0, < 16.15 >= 17.0, < 17.11 >= 18.0, < 18.5 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 29, 2026 | CVE Modified | PostgreSQL |
| Aug 19, 2026 | Initial Analysis | [email protected] |
| Aug 14, 2026 | CVE Modified | CISA-ADP |
| Aug 13, 2026 | CVE Modified | CISA-ADP |
| Aug 13, 2026 | New CVE Received | PostgreSQL |