A buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.
| Affected Version | Fixed In | Fix Published |
|---|---|---|
| 17 | 17.5 | May 8, 2025 |
| 16 | 16.9 | May 8, 2025 |
| 15 | 15.13 | May 8, 2025 |
| 14 | 14.18 | May 8, 2025 |
| 13 | 13.21 | May 8, 2025 |
For more information about PostgreSQL versioning, please visit the versioning page.
| Overall Score | 5.9 |
|---|---|
| Component | core server |
| Vector | AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
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.