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.
References (3)
Core 3
Core References
Various Sources
https://www.postgresql.org/support/security/CVE-2025-4207/
Scores
CVSS v3
5.9
EPSS
0.0058
EPSS Percentile
43.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-126
Status
published
Products (5)
n/a/PostgreSQL
< 13.21
n/a/PostgreSQL
14 - 14.18
n/a/PostgreSQL
15 - 15.13
n/a/PostgreSQL
16 - 16.9
n/a/PostgreSQL
17 - 17.5
Published
May 08, 2025
Tracked Since
Feb 18, 2026