Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider 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 Team Xint Code, 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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