Missing validation of type of input in PostgreSQL intarray extension
selectivity estimator function allows an object creator to execute arbitrary
code as the operating system user running the database. Versions before
PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
The PostgreSQL project thanks Daniel Firer, as part of zeroday.cloud, for reporting this problem.
| Affected Version | Fixed In | Fix Published |
|---|---|---|
| 18 | 18.2 | Feb. 12, 2026 |
| 17 | 17.8 | Feb. 12, 2026 |
| 16 | 16.12 | Feb. 12, 2026 |
| 15 | 15.16 | Feb. 12, 2026 |
| 14 | 14.21 | Feb. 12, 2026 |
For more information about PostgreSQL versioning, please visit the versioning page.
| Overall Score | 8.8 |
|---|---|
| Component | contrib module |
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
If you wish to report a new security vulnerability in PostgreSQL, please send an email to security@postgresql.org.
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