A vulnerability was found in PostgreSQL up to 13.20/14.17/15.12/16.8/17.4. It has been classified as critical. This affects an unknown part of the component GB18030 Encoding Validation. The manipulation leads to buffer over-read.
This vulnerability is uniquely identified as CVE-2025-4207. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
