Released: 14 May 2026
Updated OS support for EPAS 18.4-3 (23 Jul 2026)
- RHEL 9.6 support added: As of 23 July 2026, EPAS 18.4-3 officially supports Red Hat Enterprise Linux (RHEL) 9.6, alongside RHEL 9.7 and later releases.
EDB Postgres Advanced Server 18.4.0 includes the following enhancements and bug fixes:
| Type | Description | Addresses |
|---|---|---|
| Upstream merge | Merged with community PostgreSQL 18.4. See the PostgreSQL 18.4 release notes for more information. | |
| Security fix | This release includes the following upstream security fixes from PostgreSQL: CVE-2026-6472, CVE-2026-6473, CVE-2026-6474, CVE-2026-6475, CVE-2026-6476, CVE-2026-6477, CVE-2026-6478, CVE-2026-6479, CVE-2026-6575, CVE-2026-6637, and CVE-2026-6638. | |
| Bug fix | ECPG: Fixed an issue where VARCHAR values returned through Pro*C-compatible Dynamic SQL Method 4 were missing their trailing spaces. Fetched data is now returned with its original formatting intact. | #58736 |
| Bug fix | ECPG: Fixed an issue where PREPARE ... FROM <statement> failed at runtime due to the SQL text being incorrectly double-quoted by the preprocessor. | #59212 |
| Bug fix | Fixed a server crash that could occur when a deferred trigger fired after a COMMIT was executed inside an SPL EXCEPTION block. | |
| Bug fix | EDB*Loader: Prevented direct path loading when TDE is active to ensure data encryption. | #91277 |
| Bug fix | Fixed an error in pg_stat_statements when querying the view for wrapped queries, caused by a mismatch between the stored query text and its recorded length. | #57634 |
| Bug fix | Fixed non-deterministic behavior in the DBMS_XMLDOM package caused by an uninitialized internal flag on newly created document root nodes. |