Use after free in PostgreSQL COPY FROM error reporting allows a database user to disclose portions of server memory, via a longer input row following an ignored or nullified conversion error. file_fdw reaches the same code path in affected version 18. Within major versions 17-18, minor versions before PostgreSQL 18.7 and 17.12 are affected. Versions before PostgreSQL 17 are unaffected.
| Affected Version | Fixed In | Fix Published |
|---|---|---|
| 18 | 18.7 | 2026-11-12 |
| 17 | 17.12 | 2026-11-12 |
For more information about PostgreSQL versioning, please visit the versioning page.
| Overall Score | 4.3 |
|---|---|
| Component | core server |
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
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.