vulnerability
PostgreSQL: CVE-2025-4207: PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | May 9, 2025 | May 9, 2025 | Mar 27, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
May 9, 2025
Added
May 9, 2025
Modified
Mar 27, 2026
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.
Solutions
postgres-upgrade-14_18postgres-upgrade-15_13postgres-upgrade-16_9postgres-upgrade-17_5
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