CVE-2025-4207
PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation
- State
- Published
- Severity
- 5.9 Medium
- Published
- May 8, 2025
- Updated
- May 9, 2025
- Reserved
- May 2, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H | PostgreSQL |
Weaknesses
- CWE-126 Buffer Over-read
Affected Products
| Product | Versions |
|---|---|
PostgreSQLn/a |
|
References
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