PostgreSQL Patches Five Versions and Ships a 19 Beta
The update closes 28 security vulnerabilities and more than 110 bugs across five supported major versions.
The PostgreSQL Global Development Group released updates for every currently supported major version on August 13, 2026: 18.6, 17.11, 16.15, 15.19, and 14.24. The same release also shipped PostgreSQL 19 Beta 3, continuing the preview cycle for next year's major release.
Combined across the five patched versions, the release fixes 28 security vulnerabilities and more than 110 bugs that had been reported since the last update cycle. As with every PostgreSQL release, the fixes are backported identically across all five lines rather than concentrated in the newest one, which is why teams on older-but-still-supported versions like 14.x receive the same security fixes as those on 18.x.
PostgreSQL 18, the current stable line, had already introduced a rebuilt I/O subsystem earlier in its life that the project says delivers up to a 3x improvement in read throughput from storage under some workloads, along with an increase in the range of queries that can take advantage of indexes — context worth knowing for anyone deciding whether to prioritize an upgrade from an older major version.
This release comes a little over five months after an out-of-cycle release in February 2026 that fixed regressions across the same five version lines, and it's a reminder that PostgreSQL treats its older supported majors as first-class citizens for security patching rather than pushing users toward the newest release to stay safe.
PostgreSQL issues these coordinated releases on a quarterly schedule under normal circumstances, reserving out-of-cycle releases for issues serious enough not to wait — which is what prompted the February 2026 release that fixed regressions across the same five lines. August's release returns to the project's normal quarterly rhythm.
One planning note for teams still on PostgreSQL 14: that line is scheduled to stop receiving fixes entirely on November 12, 2026, so this is close to the last few patch cycles it will see.