CVE-2026-19385

PostgreSQL pg_dump heap buffer overflow executes arbitrary code

Heap buffer overflow in PostgreSQL pg_dump of long function transform lists allows an object creator to execute arbitrary code as the operating system user running pg_dump, via a crafted transform list. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

Version Information

Affected Version Fixed In Fix Published
18 18.5 2026-08-13
17 17.11 2026-08-13
16 16.15 2026-08-13
15 15.19 2026-08-13
14 14.24 2026-08-13

For more information about PostgreSQL versioning, please visit the versioning page.

CVSS 3.0

Overall Score 8.8
Component client
Vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reporting Security Vulnerabilities

If you wish to report a new security vulnerability in PostgreSQL, please send an email to security@postgresql.org.

For reporting non-security bugs, please see the Report a Bug page.